on the tip of one's tongue
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idiom

on the tip of one's tongue

当你几乎记得某事但不完全
Meaning
when you can almost remember something but not quite
Example
His name is **on the tip of my tongue**, but I can’t recall it.
他的名字就在我嘴边，但我想不起来。
idiom

on good terms with

与某人保持友好和积极的关系
Meaning
having a friendly and positive relationship with someone
Example
She’s **on good terms with** her ex-husband for the kids’ sake.
她为了孩子和前夫保持着良好的关系。
phrasal-verb

open yourself up to feedback

愿意接受并接受建设性的批评
Meaning
to be willing to receive and accept constructive criticism
Example
To grow, you need to **open yourself up to feedback** from others.
要成长，你需要**愿意接受他人的反馈**。
idiom

out of harm’s way

远离危险或困难。
Meaning
To be safe from danger or difficulty.
Example
Make sure the children are **out of harm’s way** before lighting the fire.
在点火之前，确保孩子们远离危险。
idiom

over the moon

非常高兴或开心
Meaning
extremely pleased or happy
Example
She was **over the moon** when she won the prize.
她在赢得奖品时**over the moon**。
idiom

offstage

在公众视野之外或私人生活中
Meaning
outside of public attention or in private life
Example
He is very different **offstage** than he appears in his shows.
他在舞台下的表现与他在节目中展现的完全不同。
idiom

on thin ice

处于危险或危险的境地
Meaning
in a risky or dangerous situation
Example
You are **on thin ice** with that behavior.
你因那种行为而**处于险境**。
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 change

愿意接受新思想或实践
Meaning
to become willing to accept new ideas or practices
Example
Societies progress when people **open up to change**.
当人们愿意接受变化时，社会会进步。
phrasal-verb

open with

通过做或说某事来开始某事
Meaning
to begin something by doing or saying something specific
Example
He **opened with** a personal story to connect with the audience.
他通过讲述一个个人故事开始，以便与观众建立联系。
phrasal-verb

open up to diversity

开放多样性
Meaning
to become accepting and appreciative of different backgrounds or perspectives
Example
Education helps people **open up to diversity** and reduce prejudice.
教育帮助人们开放多样性并减少偏见。
idiom

own up to something

承认或坦白对某事负责
Meaning
to admit or confess responsibility for something
Example
You should **own up to your mistakes** instead of blaming others.
你应该**承认你的错误**，而不是责怪别人。
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

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 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。
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。
idiom

open-hearted

善良和诚实地表达感情
Meaning
kind and honest in expressing feelings
Example
She is an **open-hearted** person who always listens.
她是一个心地善良的人，总是倾听。
idiom

on the rebound

在分手后不久开始一段新的关系
Meaning
starting a new relationship soon after a breakup
Example
He started dating again **on the rebound**.
他再次开始约会 **昂 迪 利宝德**。
idiom

on the front line

直接参与某事中最活跃或最危险的部分
Meaning
directly involved in the most active or dangerous part of something
Example
Doctors were **on the front line** during the pandemic.
在疫情期间，医生们**在前线**。
idiom

Out of focus

不清楚或不专心
Meaning
Not clear or not paying attention
Example
He looked tired and completely **out of focus** during the meeting.
他在会议期间看起来很累，完全没有集中注意力。
idiom

On the record

正式声明并可报告
Meaning
Officially stated and reportable
Example
She made her statement **on the record** during the interview.
她在面试中做了**正式声明**。
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。
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。
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。
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。
idiom

on the money

完全正确或准确
Meaning
exactly correct or accurate
Example
His prediction about the stock was **on the money**.
他对股票的预测是 **on the money**。
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

off the hook

摆脱某事的指责或责任
Meaning
to be free from blame or responsibility for something
Example
He was **off the hook** after his friend confessed.
在他的朋友承认之后，他摆脱了责任。
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 of this world

极其好或令人印象深刻
Meaning
extremely good or impressive
Example
The food at that restaurant is **out of this world**.
那家餐厅的食物令人赞叹。
phrasal-verb

open up inside

让自己情感上开放并认出自己的真实情感
Meaning
to become emotionally available to yourself and recognize your true emotions
Example
When he learned to **open up inside**, he finally stopped hiding his pain.
当他学会了**open up inside**时，他终于停止了隐藏自己的痛苦。
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

over the horizon

即将发生的事情
Meaning
something that is expected to happen soon
Example
A big change in the market may be **over the horizon**.
市场上可能会有重大变化。
idiom

own up to

承认或坦白你做错的事情
Meaning
to admit or confess to something you did wrong
Example
She finally **owned up to** breaking the vase.
她最终**承认**打破了花瓶。
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

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

off the top of my head

没有太多思考或准备
Meaning
without much thought or preparation
Example
Off the top of my head, I’d say we need more time.
我会说我们需要更多的时间，虽然只是随便说说。
phrasal-verb

open emotionally to

允许情感脆弱并向某人表达真实的感受
Meaning
to allow emotional vulnerability and express real feelings to someone
Example
It’s hard for him to **open emotionally to** others after being hurt.
他很难在受伤后**在情感上向别人开放**。
idiom

on the warpath

非常生气并且可能争论或打架
Meaning
very angry and likely to argue or fight
Example
She was **on the warpath** after hearing the bad news.
她听到坏消息后非常生气。
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！
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

out of the frying pan into the fire

从糟糕的情况进入更糟糕的情况
Meaning
to go from a bad situation to a worse one
Example
Leaving that job was like jumping **out of the frying pan into the fire**.
离开那份工作就像是跳**出火坑进火海**。
idiom

on all fours

用手和膝盖爬行
Meaning
crawling on hands and knees
Example
The baby moved **on all fours** across the floor.
宝宝**四肢着地**在地板上爬行。
phrasal-verb

open up opportunities

创造新的学习或联系的机会
Meaning
to create new chances or possibilities for learning or connection
Example
Understanding other cultures can **open up opportunities** for collaboration.
了解其他文化可以为合作打开新机会
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**。
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

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

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 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

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 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。
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 the box thinking

以新颖、创新或创造性的方式思考
Meaning
thinking in a new, innovative, or creative way
Example
The solution requires **out of the box thinking** from all team members.
该解决方案需要所有团队成员进行**跳出思维定式的思考**。
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

out of balance

感觉精神或情感上不稳定
Meaning
to feel mentally or emotionally unstable
Example
Lack of rest can make you feel **out of balance**.
缺乏休息可能会让你感到失衡。
idiom

on the fence

对某事感到不确定或犹豫不决
Meaning
undecided or unsure about something
Example
She’s still **on the fence** about moving abroad.
她仍然对是否搬到国外**在围栏上**。
phrasal-verb

open communication with

建立一个诚实透明的思想和情感交换
Meaning
to establish an honest and transparent exchange of thoughts and feelings
Example
Couples should **open communication with** each other to avoid misunderstandings.
情侣们应该**开启沟通与**彼此，以避免误解。
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**。
idiom

out of one’s mind

疯狂或极度担忧
Meaning
crazy or extremely worried
Example
He must be **out of his mind** to drive so fast in the rain.
他一定是**疯了**，才会在雨中开车这么快。
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。
phrasal-verb

open up to someone

与您信任的人分享个人感受或问题
Meaning
to share personal feelings or problems with someone you trust
Example
He finally **opened up to** his friend about what he had been going through.
他终于**对他的朋友敞开心扉**，讲述了他经历的事情。
phrasal-verb

open with gratitude

通过表达感谢来开始对话或消息
Meaning
to start a conversation or message by expressing thanks
Example
She **opened with gratitude** before discussing the main issue.
她在讨论主要问题之前先表达了感激之情。
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。
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。
idiom

on the rise

价值或数量正在增加或增长
Meaning
increasing or growing in value or number
Example
Tech stocks are **on the rise** this quarter.
本季度科技股正在**上涨**。
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**。
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

on your plate

需要你处理的责任或工作
Meaning
something that is your responsibility or job to handle
Example
I have too much **on my plate** right now with all the projects.
现在我有太多的事情 **在我的盘子里**，有所有的项目。
phrasal-verb

open hearts to

向其他文化的人们展示善良和接受
Meaning
to show kindness and acceptance toward people of other cultures
Example
We should **open our hearts to** people who are different from us.
我们应该**向不同于我们的人敞开心扉**。
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**。
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 bounds

不允许或超出可接受的限制
Meaning
not allowed or beyond acceptable limits
Example
His rude comment was **out of bounds**.
他的粗鲁评论超出了界限
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。
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

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 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。
phrasal-verb

own your progress

为个人成长感到骄傲并承认它
Meaning
to take pride in and acknowledge your personal growth
Example
You should **own your progress** and celebrate every small win.
你应该**own your progress**，并庆祝每一个小小的胜利。
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。
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

on the same playing field

在相同的条件下或具有相等的机会
Meaning
in the same conditions or with equal chances
Example
We’re now **on the same playing field** as our competitors.
我们现在与我们的竞争对手站在同一起跑线上。
idiom

Opportunity knocks but once

好机会很少出现，出现时应该把握。
Meaning
Good opportunities are rare and should be seized when they appear.
Example
Don't miss the chance, **opportunity knocks but once**.
不要错过机会，**机会只敲一次门**。
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 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

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

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

old buddy old pal

一种亲切地称呼老朋友的方式。
Meaning
An affectionate way to refer to a longtime friend.
Example
Hey **old buddy old pal**, long time no see!
嘿，老朋友，好久不见！
idiom

open channels of communication

建立对话或讨论
Meaning
to establish dialogue or discussion
Example
They tried to **open channels of communication** with the neighboring country.
他们试图与邻国打开沟通渠道。
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

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

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。
idiom

on solid ground

处于安全或稳定的状况
Meaning
in a safe or stable situation
Example
After months of hard work, the company is now **on solid ground**.
经过几个月的辛勤工作，公司现在处于稳定的状况。
phrasal-verb

overflow with

充满积极的情感或情绪
Meaning
to have a large amount of positive feeling or emotion
Example
The parents were **overflowing with** pride at their son’s success.
父母因儿子的成功而**满溢着**骄傲。
idiom

out of the box

富有创意，与通常的想法不同
Meaning
creative and different from usual ideas
Example
Her **out of the box** marketing strategy increased sales rapidly.
她的**out of the box**营销策略迅速提高了销售额。
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。
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

out of your league

太好或太强大，无法竞争
Meaning
too good or powerful to compete with
Example
That company is **out of our league** in terms of resources.
这家公司在资源方面超出了我们的竞争范围
phrasal-verb

open up markets

使贸易或商业机会可用；消除贸易障碍
Meaning
to make trade or business opportunities available; to remove barriers to trade
Example
The trade agreement helped **open up markets** for local exporters.
贸易协议帮助当地出口商打开了市场。
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

old friend

你认识很久的朋友
Meaning
a friend you have known for a long time
Example
I met an **old friend** from college yesterday.
我昨天遇到了一个大学的老朋友。
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。
phrasal-verb

open yourself to experiences

愿意尝试新的文化活动或视角
Meaning
to be willing to try new cultural activities or perspectives
Example
When you **open yourself to experiences**, you grow beyond your comfort zone.
当你敞开心扉接受新的体验时，你会超越自己的舒适区。
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。
phrasal-verb

open yourself emotionally

允许自己自由地感受和表达情感
Meaning
to allow yourself to feel and express emotions freely
Example
It's not easy to **open yourself emotionally** after being hurt.
在受伤后，**情感上敞开心扉** 并不容易
idiom

Out to pasture

让某人或某物退出活跃使用。
Meaning
To retire someone or something from active use.
Example
The old manager was finally **put out to pasture** last year.
那位老经理去年终于退休了。
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

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**。
idiom

opt out of

选择不参加某事
Meaning
to choose not to participate in something
Example
You can **opt out of** the newsletter at any time.
你可以随时取消订阅这个通讯。
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

off the top of one's head

未经仔细思考或核对就说出某事
Meaning
to say something without thinking carefully or checking
Example
**Off the top of my head**, I think there are five options.
我想，大概有五个选项。
phrasal-verb

open out with

开始与某人坦诚地表达情感
Meaning
to start being honest and expressive with someone about emotions
Example
She **opened out with** her husband about her anxiety.
她向丈夫敞开心扉，谈论她的焦虑。
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

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

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

Out of sight, out of mind

当人或事物不可见或不在场时被遗忘。
Meaning
People or things forgotten when not visible or present.
Example
After moving away, our friendship faded—**out of sight, out of mind**.
搬家后，我们的友谊逐渐消退——**眼不见，心不烦**。
phrasal-verb

open the heart to

向某人表达真诚的情感
Meaning
to express your honest emotions to someone
Example
He finally **opened his heart to** his parents.
他终于 **向父母敞开了心扉**。
idiom

online presence

一个人或企业在互联网上的存在和活动
Meaning
the existence and activity of a person or business on the internet
Example
A strong **online presence** is essential for digital marketing.
强大的**在线存在**对于数字营销至关重要。
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

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

Open a can of worms

开始做一些会带来许多新问题的事情。
Meaning
To start something that creates many new problems.
Example
By questioning the policy, he **opened a can of worms**.
通过质疑政策，他**打开了一罐蠕虫**。
idiom

outside the box

以不寻常或非常规的方式思考或行动
Meaning
thinking or acting in an unusual or unconventional way
Example
To solve this problem, we need to think **outside the box**.
为了解决这个问题，我们需要**跳出框框**思考。
phrasal-verb

own up to mistakes

公开承认错误，以便可以修正
Meaning
to admit errors openly so they can be fixed
Example
Good leaders **own up to mistakes** before they snowball.
好的领导者在错误变得严重之前会承认错误。