on air
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All Types idiom phrasal-verb proverb
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Expression Cards All Expressions
idiom

on air

现场直播；在电视或广播中播放
Meaning
broadcasting live; being aired on television or radio
Example
The radio show will be **on air** from 7 to 9 PM.
广播节目将在晚上7点到9点**现场直播**。
phrasal-verb

open onto

通向一个地方或连接的机会
Meaning
to lead to a place or opportunity for connection
Example
This conversation could **open onto** a deeper understanding between us.
这段对话可能会**开向**我们之间更深的理解。
idiom

on your shoulders

用来表示某人对某事负有责任
Meaning
used when someone has responsibility for something
Example
The success of this plan rests **on your shoulders**.
这个计划的成功取决于你。
idiom

offline mode

断开互联网或无法使用的状态
Meaning
a state of being disconnected from the internet or unavailable
Example
He’s been in **offline mode** all weekend, not answering any messages.
他整个周末都处于离线模式，没有回复任何消息。
phrasal-verb

open up new perspectives

帮助某人以新的或不同的方式看待事物
Meaning
to help someone see things in a new or different way
Example
Traveling to different countries can **open up new perspectives** on life.
到不同的国家旅行可以 **开启新的视角** 关于生活。
idiom

on edge

感到紧张、烦躁或易怒
Meaning
to be nervous, tense, or irritable
Example
She’s been **on edge** since the exam started.
自从考试开始以来，她一直很紧张。
phrasal-verb

offer help

在某人需要帮助时提供帮助
Meaning
to volunteer to assist someone kindly
Example
It’s thoughtful to **offer help** when someone is struggling.
当有人在困难中时提供帮助是体贴的表现。
idiom

on the spot

立即做出决定
Meaning
to make a decision immediately
Example
He was asked to decide **on the spot**.
他被要求**当场**做出决定。
idiom

on the bench

在法庭上担任法官
Meaning
serving as a judge in a court
Example
She spent 20 years **on the bench** before retiring.
她在退休之前作为法官工作了20年。
idiom

on the line

处于危险中；有丢失的风险
Meaning
at risk; in danger of being lost
Example
The company’s reputation is **on the line** after the failed shipment.
在运输失败后，公司的声誉**岌岌可危**。
idiom

own up

承认或坦白某事
Meaning
to admit or confess to something.
Example
He finally **owned up** to breaking the vase.
他终于**承认**打破了花瓶。
idiom

on the stump

为政治职位竞选，特别是在公共场合发表演讲
Meaning
to campaign for political office, especially by giving speeches in public
Example
The candidate has been **on the stump** for weeks, rallying support across the country.
候选人已经在**竞选**了几个星期，在全国各地争取支持。
idiom

own your mistakes

对自己犯的错误承担责任。
Meaning
to take responsibility for what you did wrong.
Example
It’s important to **own your mistakes** and learn from them.
重要的是要**承担自己的错误**并从中学习。
phrasal-verb

open up with

通过诚实或表达自己的感受来开始对话
Meaning
to start a conversation by being honest or expressive about feelings
Example
He chose to **open up with** a personal story to make others feel comfortable.
他选择了通过一个个人故事来**敞开心扉与**其他人交谈，使他们感到舒适。
idiom

out of sorts

感到稍微不舒服或不高兴
Meaning
feeling slightly unwell or upset
Example
He’s been **out of sorts** since he caught that cold.
自从感冒后，他就一直有些不高兴。
idiom

off the air

停止广播
Meaning
no longer being broadcasted
Example
The show went **off the air** after ten years.
该节目在十年后停止了广播。
idiom

on trial

正在被测试或审判
Meaning
being tested or judged
Example
The company is **on trial** for violating privacy laws.
该公司因违反隐私法而正在**受审**。
idiom

on the dot

正好准时；守时
Meaning
exactly on time; punctual
Example
The meeting started **on the dot** at 10 a.m.
会议在早上10点**正好准时**开始。
idiom

on the grapevine

间接听到八卦或谣言
Meaning
to hear gossip or rumor indirectly
Example
I heard **on the grapevine** that they’re getting divorced.
我**从八卦中听说**他们要离婚了。
idiom

olive branch

和平或和解的姿态
Meaning
a gesture of peace or reconciliation
Example
The president extended an **olive branch** by inviting his rival to the summit.
总统通过邀请他的对手参加峰会来伸出**橄榄枝**。
idiom

off the cuff

没有准备的讲话或表演
Meaning
to speak or perform without preparation
Example
He gave an **off the cuff** remark that impressed everyone.
他发表了一个即兴的评论，给大家留下了深刻印象。
idiom

out of one’s comfort zone

做一些不熟悉或具有挑战性的事情
Meaning
doing something unfamiliar or challenging
Example
She stepped **out of her comfort zone** to take a new job.
她走出舒适区去接受一份新工作。
phrasal-verb

open eyes to

使某人意识到或了解某些重要的事情
Meaning
to make someone realize or become aware of something important
Example
The film **opened people’s eyes to** the struggles of the poor.
这部电影让人们**睁开眼睛**看到了贫穷的斗争。
idiom

on the sly

秘密地; 以狡猾的方式
Meaning
secretly; in a sneaky way
Example
He met her **on the sly** without telling anyone.
他**秘密地**见到她，没告诉任何人。
idiom

on the market

可供出售
Meaning
available for sale
Example
Their house has been **on the market** for over six months.
他们的房子已经在市场上待了超过六个月。
idiom

on the go

总是忙碌或活跃；经常旅行
Meaning
always busy or active; traveling a lot
Example
She's always **on the go** with her work trips.
她总是忙于工作旅行。
idiom

overnight success

一个人或物品非常快速地变得成功
Meaning
a person or thing that becomes successful very quickly
Example
Her first song made her an **overnight success**.
她的第一首歌让她成为了**一夜成名**。
idiom

on the house

免费；由店家招待
Meaning
free of charge; paid for by the establishment
Example
The drinks were **on the house** tonight.
今晚的饮料是店家请客的。
idiom

on the gravy train

处于一种通过少量努力赚取大量金钱的状态
Meaning
to be in a situation where one makes a lot of money with little effort
Example
He’s been riding **on the gravy train** since he took over the family business.
自从接管家族企业以来，他一直在**格雷维火车**上。
phrasal-verb

open oneself to

让自己体验或理解新思想或文化
Meaning
to allow oneself to experience or understand new ideas or cultures
Example
Living abroad helped him **open himself to** diverse ways of life.
在国外生活帮助他**开放自己**接受不同的生活方式。
phrasal-verb

open up trade routes

为国际商品交换创造新的道路
Meaning
to create new paths for international exchange of goods
Example
They are negotiating to **open up trade routes** with neighboring countries.
他们正在与邻国谈判，以**开放贸易路线**。
phrasal-verb

open through

通过经历另一种文化的经验来获得理解
Meaning
to access understanding by going through experiences of another culture
Example
You can **open through** empathy to truly understand cultural values.
你可以通过**open through**同理心来真正理解文化价值。
idiom

open a new chapter

在生活中开始新的阶段或时期
Meaning
to begin a new stage or period in life
Example
Graduating from university **opened a new chapter** in her life.
大学毕业 **开启了她生活的新篇章**。
idiom

on the fast track

在职业或项目中快速进展
Meaning
advancing quickly in a career or project
Example
He is **on the fast track** to becoming a manager.
他正在**快速通道**上成为经理。
idiom

off to a flying start

以非常成功的方式开始某事，像旅行一样
Meaning
to begin something, like a journey, very successfully
Example
Our trip was **off to a flying start** with perfect weather.
我们的旅行以完美的天气顺利开始。
idiom

off the beaten path

做一些不寻常或原创的事情
Meaning
doing something unusual or original
Example
Her ideas are always **off the beaten path**.
她的想法总是**与众不同**。
idiom

on the same wavelength

与某人以相似的方式思考
Meaning
to think in a similar way as someone else
Example
My best friend and I are always **on the same wavelength**.
我和我最好的朋友总是保持同样的思路。
idiom

Old school

拥有传统的观念或价值观；不现代
Meaning
Having traditional ideas or values; not modern
Example
My father still prefers handwritten letters; he’s really **old school**.
我父亲仍然更喜欢手写信件；他真的是老派。
idiom

Out of the frying pan and into the fire

从糟糕的情况进入更糟的境地。
Meaning
Going from a bad situation to an even worse one.
Example
Quitting that job put him **out of the frying pan and into the fire**.
辞掉那份工作让他从煎锅跳进了火坑。
idiom

Open-minded

愿意考虑新的想法或意见。
Meaning
Willing to consider new ideas or opinions.
Example
A good therapist must be **open-minded**.
一个好的治疗师必须**思想开放**。
phrasal-verb

open dialogue with

与其他文化或群体开始对话或讨论
Meaning
to start conversations or discussions with another culture or group
Example
The organization aims to **open dialogue with** minority communities.
该组织旨在**与**少数群体**开展对话**。
phrasal-verb

open up to challenges

愿意以信心面对或接受困难的情况
Meaning
to be willing to face or accept difficult situations with confidence
Example
If you want to grow, you must **open up to challenges** instead of avoiding them.
如果你想成长，你必须**open up to challenges**，而不是回避它们。
idiom

on one’s last legs

接近力气或生命的尽头
Meaning
to be near the end of one’s strength or life
Example
After the long hike, we were all **on our last legs**.
经过长时间的徒步旅行后，我们都快撑不住了。
idiom

on the rocks

处于困境或可能失败（特别是关系或婚姻）
Meaning
in trouble or likely to fail (especially a relationship or marriage)
Example
Their marriage is **on the rocks** after constant arguments.
他们的婚姻在**困境中**，因为不断争吵。
phrasal-verb

open up to ideas

接受新颖和不同的想法
Meaning
to be receptive to new and different ideas
Example
We should **open up to ideas** from junior staff as well.
我们也应该接受来自初级员工的想法。
idiom

On the clock

工作中，通常有严格的时间限制或截止日期。
Meaning
Working, often with a strict time limit or deadline.
Example
I’m **on the clock** today, so I can’t waste any time.
我今天**在上班**，所以不能浪费时间。
phrasal-verb

open doors for

为连接或合作创造机会或可能性
Meaning
to create opportunities or possibilities for connection or collaboration
Example
Joining community events can **open doors for** meaningful relationships.
加入社区活动可以为**有意义的关系打开大门**。
idiom

out for blood

极其决心打败或惩罚某人
Meaning
to be extremely determined to defeat or punish someone
Example
After losing last time, the team is **out for blood** this season.
上次输了之后，队伍本赛季决心复仇。
phrasal-verb

open up to feedback

愿意听取并接受建设性的批评
Meaning
to be willing to listen and accept constructive criticism
Example
A good leader must **open up to feedback** from the team.
一个好的领导者必须**对反馈开放**来自团队。
idiom

Old hat

过时的或不再有趣的东西
Meaning
Something that is outdated or no longer interesting
Example
That style is **old hat** now—no one wears it anymore.
那种风格现在已经过时了——没人再穿它了。
idiom

opt in

选择参与
Meaning
to choose to participate
Example
Employees can **opt in** to the wellness program.
员工可以选择参与健康项目。
phrasal-verb

open up to courage

允许勇气和自信进入一个人的内心
Meaning
to allow bravery and confidence to enter one’s mind
Example
She slowly **opened up to courage** after years of doubt.
在多年的怀疑之后，她慢慢地**向勇气敞开心扉**。
idiom

one in a million

非常特别或稀有
Meaning
very special or rare
Example
Her kindness makes her **one in a million**.
她的善良使她成为**百万分之一**。
idiom

Out of curiosity

出于想要知道或学习某事的愿望。
Meaning
Because of a desire to know or learn something.
Example
I asked him **out of curiosity**, not to interfere.
我出于**好奇**问了他，而不是为了干涉。
phrasal-verb

open within

与内心情感连接，更好地理解自己
Meaning
to connect with your inner emotions and understand yourself better
Example
Yoga helps me to **open within** and feel peaceful.
瑜伽帮助我**open within**并感到平静。
phrasal-verb

opt against

决定不选择特定选项
Meaning
to decide not to choose a particular option
Example
After considering the risks, the company **opted against** the merger.
在考虑了风险之后，公司**选择反对**合并。
phrasal-verb

open up to differences

接受并欣赏多样性
Meaning
to accept and appreciate diversity
Example
Children should learn to **open up to differences** from an early age.
孩子们应该从小学习**接纳差异**。
idiom

on cue

在正确的时刻
Meaning
exactly at the right moment
Example
The dog barked **on cue** when the actor opened the door.
演员一开门，狗狗**准时**叫了。
idiom

on background

提供给记者的信息，无法归属来源
Meaning
information given to a journalist that cannot be attributed to the source
Example
The official spoke **on background** about the new policy.
官方在**on background**谈论新政策。
idiom

out of orbit

失去控制; 偏离常规路线
Meaning
beyond control; off the usual path
Example
The project went **out of orbit** after the manager left.
项目在经理离开后**离轨**了。
idiom

out of shape

由于缺乏锻炼而变得不健康或不适合
Meaning
to be unfit or unhealthy due to lack of exercise
Example
I’m so **out of shape** after sitting at a desk all day.
我整天坐在桌子前，完全不健康了。
phrasal-verb

open up to

变得更愿意接受或考虑新的想法、文化或人
Meaning
to become more willing to accept or consider new ideas, cultures, or people
Example
As globalization spread, many countries began to **open up to** cultural exchange.
随着全球化的传播，许多国家开始**open up to**文化交流。
phrasal-verb

open up to joy

让自己感受到幸福和积极性
Meaning
to allow yourself to feel happiness and positivity
Example
When you **open up to joy**, life becomes brighter.
当你**向喜悦敞开心扉**时，生活变得更加光明。
idiom

on the horizon

即将发生
Meaning
likely to happen soon
Example
A new product launch is **on the horizon**.
新产品的发布即将到来。
idiom

off the rails

变得失控或混乱
Meaning
to become uncontrolled or chaotic
Example
After his friend moved away, his life went **off the rails**.
他的朋友搬走后，他的生活变得失控。
idiom

opt out

选择不参与
Meaning
to choose not to participate
Example
Employees can **opt out** of the program if they want.
员工可以选择不参加该程序，如果他们愿意的话。
phrasal-verb

open access to opportunities

使教育、工作或服务可供更多人使用
Meaning
to make education, jobs, or services available to more people
Example
Digital transformation helps **open access to opportunities** globally.
数字化转型有助于在全球范围内**打开机会的大门**。
idiom

open up

变得愿意分享想法或开始操作
Meaning
to become willing to share thoughts or to start operating
Example
He finally **opened up** about the challenges he’s facing.
他终于开始谈论他面临的挑战。
idiom

on fire

表现非常好；充满能量和成功
Meaning
performing very well; full of energy and success
Example
The sales team is **on fire** this month!
销售团队这个月表现出色！
idiom

outsmart the algorithm

击败或欺骗使用人工智能或自动化的系统
Meaning
to beat or trick a system that uses AI or automation
Example
People try to **outsmart the algorithm** to boost their posts.
人们试图通过**欺骗算法**来增加他们的帖子曝光。
phrasal-verb

open your heart

变得更加情感上可用或充满爱
Meaning
to become more emotionally available or loving
Example
She decided to **open her heart** to love again.
她决定再次**敞开心扉**去爱。
idiom

on the radar

正在被监视或考虑的某事
Meaning
something that is being monitored or considered
Example
The new scientific theory is now **on the radar** of researchers across the world.
新的科学理论现在已经**在雷达上**，全球的研究人员都在关注。
phrasal-verb

own responsibility for

接受你为发生的事情负责
Meaning
to accept that you are accountable for something that happened
Example
He chose to **own responsibility for** the team’s delay.
他选择为团队的延误负责。
idiom

off the wall

不寻常或非常规
Meaning
unusual or unconventional
Example
His ideas are often **off the wall**, but they sometimes work.
他的想法常常**off the wall**，但有时会有效。
idiom

open up about

分享个人的想法或感受
Meaning
to share personal thoughts or feelings
Example
He finally **opened up about** the project stress.
他终于谈到了项目压力。
idiom

out of your mind

疯狂或极度担心
Meaning
crazy or extremely worried
Example
You must be **out of your mind** to drive that fast!
你一定是**疯了**，开这么快！
idiom

on the right side of the law

合法行事; 不违反任何法律
Meaning
acting legally; not breaking any laws
Example
He wants to stay **on the right side of the law**.
他想保持 **在法律的正确一方**。
idiom

out of memory

无法清晰思考；精神上筋疲力尽
Meaning
unable to think clearly; mentally exhausted
Example
After working all night, I was completely **out of memory**.
通宵工作后，我精神上完全筋疲力尽。
idiom

once bitten, twice shy

在一次不愉快的经历之后，你会小心避免它再次发生
Meaning
after an unpleasant experience, you are careful to avoid it happening again
Example
After losing money in the stock market, he became **once bitten, twice shy**.
在股市中失去钱后，他变得**一旦受伤，两次害羞**。
idiom

open the floodgates

允许某事在大规模上发生；触发连锁反应
Meaning
to allow something to happen on a large scale; to trigger a chain reaction
Example
When the security flaw was leaked, it **opened the floodgates** for hackers worldwide.
当安全漏洞泄露时，它为全球的黑客**打开了洪水闸门**。
phrasal-verb

open around

与附近的人友好并且情感上可接触
Meaning
to act friendly and emotionally available with people nearby
Example
She always **opens around** people she trusts.
她总是向她信任的人敞开心扉。
idiom

on the world stage

在国际舞台上
Meaning
in the international arena or community
Example
The country's economy is now strong **on the world stage**.
这个国家的经济现在在国际舞台上很强。
phrasal-verb

open the lines of communication

在一段沉默之后重新开始交谈
Meaning
to start talking again after a period of silence
Example
She wanted to **open the lines of communication** with her best friend again.
她想再次与她最好的朋友**打开沟通渠道**。
idiom

open heart

在感情和行动上诚实与友善
Meaning
to be honest and kind in feelings and actions
Example
He welcomed everyone with an **open heart**.
他以开诚布公的心欢迎每个人。
idiom

on one's shoulders

承担某事的责任或负担
Meaning
having the responsibility or burden of something
Example
The success of the project is **on his shoulders**.
项目的成功**落在他肩上**。
idiom

on the witness stand

在法庭上作证
Meaning
to be giving testimony in court
Example
The victim was nervous while **on the witness stand**.
受害者在证人席上很紧张。
phrasal-verb

open up new horizons

创造新的机会以学习或理解不同的文化
Meaning
to create new opportunities for learning or understanding different cultures
Example
Studying abroad can **open up new horizons** for personal and cultural growth.
出国留学可以为个人和文化成长**打开新的视野**。
idiom

on the run

试图避开警察的追捕
Meaning
trying to avoid being caught by the police
Example
The suspect has been **on the run** for three days.
嫌疑人已经**on the run**三天了。
idiom

out of the woods

不再处于危险或困难之中
Meaning
no longer in danger or difficulty
Example
She’s recovering now, so she’s **out of the woods**.
她现在正在康复，所以她已经脱离危险。
idiom

own it

为你是谁或你做的事而感到骄傲
Meaning
to take pride in who you are or what you do
Example
Don’t be shy about your success—**own it**!
不要因你的成功而感到害羞——**自豪吧**！
phrasal-verb

open out of yourself

自由地表达你的真实感受；变得情感上可接近
Meaning
to express your true feelings freely; to become emotionally available
Example
It's healthy to **open out of yourself** when you're feeling overwhelmed.
当你感到不堪重负时，**情感开放**是健康的。
idiom

Out of one’s depth

处于一种过于难以理解或应对的情况。
Meaning
To be in a situation that is too difficult to understand or deal with.
Example
I felt **out of my depth** in that technical discussion.
在那次技术讨论中，我感到**超出我的深度**。
phrasal-verb

open toward

对某人表示温暖或接受
Meaning
to show warmth or acceptance toward someone
Example
He became more **open toward** his classmates.
他变得更加**对同学开放**。
idiom

off script

偏离预定的计划或演讲
Meaning
to deviate from a prepared plan or speech
Example
During the meeting, he went **off script** and made some bold statements.
在会议期间，他**离开剧本**并做出了一些大胆的陈述。
idiom

on the mend

从疾病或受伤中恢复
Meaning
recovering from an illness or injury
Example
I was sick last week, but I’m **on the mend** now.
我上周生病了，但现在正在恢复中。
idiom

on the same page

对某事有相同的理解或达成一致意见
Meaning
to agree or have the same understanding about something
Example
Before we continue, let’s make sure we’re **on the same page**.
在我们继续之前，请确保我们**在同一页面**上。
idiom

on your last legs

完全筋疲力尽或濒临崩溃
Meaning
completely exhausted or near collapse
Example
After working 18 hours straight, I was **on my last legs**.
连续工作了18小时后，我已经**精疲力尽**了。
idiom

on cloud nine

极度快乐; 欣喜若狂
Meaning
extremely happy; overjoyed
Example
She was **on cloud nine** after getting the job.
她在得到工作后 **云上九**。
phrasal-verb

open out to

变得更加开放或欢迎新的文化或体验
Meaning
to become more receptive or welcoming toward new cultures or experiences
Example
Traveling helped her **open out to** different perspectives.
旅行帮助她更加开放地接纳不同的视角。
idiom

on the ball

机警、聪明并且反应迅速
Meaning
alert, smart, and quick to react
Example
You need to be **on the ball** to handle this job.
你需要非常机警才能处理这份工作。
idiom

out with the old, in with the new

用新的东西或想法代替旧的东西
Meaning
to replace old things or ideas with new ones
Example
It's time for **out with the old, in with the new**.
是时候 **告别旧的，迎接新的**。
phrasal-verb

open doors to

为文化连接或理解创造机会
Meaning
to create opportunities for cultural connection or understanding
Example
Cultural exchange programs **open doors to** meaningful friendships worldwide.
文化交流项目**打开通往**全球有意义的友谊。
idiom

On the breadline

生活在贫困中或几乎没有钱。
Meaning
Living in poverty or with very little money.
Example
After losing his job, he was almost **on the breadline**.
失业后，他几乎处于**安德布雷德莱恩**状态。
idiom

on the beat

警察的常规巡逻路线
Meaning
a police officer's regular patrol route
Example
The officer was **on the beat** when he spotted the suspect.
当警官在巡逻时，他发现了嫌疑人。
phrasal-verb

open out your heart

与某人真诚地分享你深刻的情感
Meaning
to share your deep emotions honestly with someone
Example
He finally **opened out his heart** to his best friend.
他终于向他最好的朋友敞开了心扉。
phrasal-verb

open up to trade

开始允许国际贸易或经济交换
Meaning
to start allowing international trade or economic exchange
Example
Many developing nations are trying to **open up to trade** to attract foreign investment.
许多发展中国家正在努力**开放贸易**以吸引外国投资。
idiom

once in a while

有时候，但不是很频繁
Meaning
sometimes, but not very often
Example
I enjoy eating out **once in a while**, but I prefer home-cooked meals.
我喜欢偶尔出去吃饭，但我更喜欢家常菜。
idiom

open Pandora’s box

开始做会引发许多意想不到问题的事情
Meaning
to start something that causes many unforeseen problems
Example
Creating sentient AI could **open Pandora’s box** of ethical challenges.
创造有感知的人工智能可能会打开伦理挑战的潘多拉盒子。
phrasal-verb

open yourself to

允许自己体验情感或连接
Meaning
to allow yourself to experience emotions or connections
Example
He finally decided to **open himself to** love again.
他最终决定再次向爱敞开心扉。
idiom

out like a light

很快就睡着了
Meaning
to fall asleep very quickly
Example
He was **out like a light** as soon as his head hit the pillow.
他的头一碰到枕头就睡着了。
idiom

on the cutting block

被考虑为淘汰或停止
Meaning
being considered for elimination or discontinuation
Example
Due to budget cuts, several research projects are now **on the cutting block**.
由于预算削减，几个研究项目现在处于被淘汰的边缘。
phrasal-verb

open up over

因某个特定话题分享个人想法
Meaning
to share personal thoughts because of a particular topic
Example
She finally **opened up over** her anxiety during group coaching.
她终于在小组辅导中分享了她的焦虑。
phrasal-verb

open your mind to

开始考虑或接受新的思想或意见
Meaning
to start considering or accepting new ideas or opinions
Example
Studying anthropology can help you **open your mind to** cultural diversity.
学习人类学可以帮助你打开思维，接受文化多样性。
phrasal-verb

open channels with

与个人或团体开始沟通
Meaning
to start communication with an individual or group
Example
The company **opened channels with** its overseas partners to share updates.
公司已与海外合作伙伴开通了渠道以分享更新。
idiom

on good terms

保持友好和平的关系
Meaning
to have a friendly and peaceful relationship
Example
They are still **on good terms** even after the breakup.
他们即使分手后仍然关系很好。
phrasal-verb

open out emotionally

开始自由地表达感情
Meaning
to start expressing feelings freely
Example
It took her months to **open out emotionally** after the breakup.
她花了几个月才在分手后**情感上开放**。
idiom

off the beaten track

在一个很少有人去的地方；偏远或不寻常
Meaning
in a place not visited by many people; remote or unusual
Example
We found a lovely beach **off the beaten track**.
我们发现了一个美丽的海滩，远离人群。
phrasal-verb

open up trade

通过消除障碍使国际贸易更容易
Meaning
to make international trade easier by removing barriers
Example
The new agreement will **open up trade** between the two nations.
新协议将**开放贸易**，促进两国之间的贸易。
idiom

Out of fashion

不再流行或受欢迎
Meaning
No longer trendy or popular
Example
Those jeans went **out of fashion** years ago.
那些牛仔裤多年前就不流行了。
idiom

off the top of your head

在没有深入思考或准备的情况下说某事
Meaning
to say something without deep thinking or preparation
Example
I can’t remember the exact number **off the top of my head**.
我不能记得准确的数字 **脱口而出**
idiom

overfitting

当一个模型在训练数据上表现良好，但在未见过的数据上表现差
Meaning
when a model performs well on training data but poorly on unseen data
Example
The model seems to be **overfitting** because it performs well on the training data but poorly on the test set.
模型似乎在**过拟合**，因为它在训练数据上表现良好，但在测试集上表现差。