hash it out
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idiom

hash it out

彻底讨论一个问题以找到解决方案
Meaning
to discuss a problem thoroughly to find a solution
Example
Let’s sit down and **hash it out** instead of fighting.
我们坐下来讨论问题，而不是争吵。
idiom

keep the peace

维持秩序并避免冲突
Meaning
to maintain order and avoid conflict
Example
The police were called to **keep the peace** during the protest.
警方被叫来在抗议期间维持和平。
idiom

under the pump

处于巨大的压力或压力之下
Meaning
to be under a lot of pressure or stress
Example
The team has been **under the pump** to meet the project deadline.
团队一直在 **巨大压力下**，以赶上项目的截止日期。
idiom

a ticking time bomb

一个随时可能变得危险的情况或人。
Meaning
A situation or person that could become dangerous at any moment.
Example
His anger issues make him **a ticking time bomb**.
他的愤怒问题让他成为一颗定时炸弹。
idiom

jog someone's memory

让某人想起某事
Meaning
to make someone remember something
Example
That smell **jogged my memory** of our school canteen.
那种气味让我想起了我们的学校食堂。
idiom

get under someone's skin

深深地烦扰或打扰某人
Meaning
to annoy or bother someone deeply
Example
She really knows how to **get under my skin**.
她真的知道如何**惹我生气**。
idiom

have a bone to pick

与某人有抱怨或分歧
Meaning
to have a complaint or disagreement with someone
Example
I **have a bone to pick** with you about yesterday’s meeting.
我有关于昨天会议的抱怨要和你讲。
idiom

tip off

秘密地提供信息或警告
Meaning
to secretly give information or a warning
Example
A neighbor **tipped off** the police about the noise.
一位邻居秘密地向警察通报了噪音。
idiom

simmer down

在生气或激动之后变得冷静
Meaning
to become calmer after being angry or excited
Example
Give him a few minutes to **simmer down** before you talk to him.
给他几分钟时间冷静下来再和他说话。
idiom

take the stage

开始公开表演或演讲
Meaning
to begin performing or speaking publicly
Example
The new actor will **take the stage** for the first time tonight.
这位新演员今晚将第一次**登上舞台。**
idiom

penny wise and pound foolish

小额钱财谨慎，大额钱财浪费
Meaning
careful with small amounts of money but wasteful with large amounts
Example
He’s **penny wise and pound foolish** when it comes to investments.
他在投资上是**penny wise and pound foolish**。
idiom

roll credits

结束或完成某事
Meaning
to finish or conclude something
Example
Once the project is done, we can **roll credits**.
一旦项目完成，我们可以**滚动字幕**。
idiom

digital footprint

用户在线活动留下的信息痕迹
Meaning
the trace of information left by a user's online activities
Example
Be cautious about what you post online; your **digital footprint** lasts forever.
小心你在线发布的内容; 你的 **数字足迹** 会永远存在。
idiom

speaking for myself

只陈述个人意见，而非他人
Meaning
stating one’s personal opinion only, not others’
Example
**Speaking for myself**, I think we should wait.
**就我而言**，我认为我们应该等待。
idiom

A little knowledge is a dangerous thing

了解一点事情可能会导致错误。
Meaning
Knowing a small amount about something can lead to mistakes.
Example
**A little knowledge is a dangerous thing** — don’t try to fix it if you’re not an expert.
**一点知识是一件危险的事** — 如果你不是专家，别尝试修理它。
idiom

pat yourself on the back

因为做得好而称赞自己
Meaning
to praise yourself for doing something well
Example
You should **pat yourself on the back** for finishing that project.
你应该为完成那个项目而称赞自己。
idiom

break the ice

在尴尬的情况下开始友好的对话
Meaning
to start a friendly conversation in an awkward situation
Example
To **break the ice**, I told a funny story.
为了**打破僵局**，我讲了一个有趣的故事。
idiom

trust someone with something

把重要的事情交给某人负责
Meaning
to give someone responsibility for something important
Example
I trust you to **take care of the project**.
我相信你会**负责这个项目**。
idiom

lean into

拥抱并积极参与某事
Meaning
to embrace and actively engage with something
Example
She decided to **lean into** the new role and learn quickly.
她决定拥抱这个新角色并迅速学习。
idiom

be like family

像家庭成员一样亲近
Meaning
to be as close as family members
Example
My best friend is **like family** to me.
我最好的朋友对我来说**就像家人**。
idiom

pull rank

利用自己的权力获得优势
Meaning
to use one's authority to gain an advantage
Example
He **pulled rank** to get the last seat on the plane.
他利用职权得到了飞机上的最后一个座位。
idiom

Jump in at the deep end

没有准备地承担一项艰难的任务
Meaning
to take on a difficult task without preparation
Example
I had to **jump in at the deep end** when I started my new job.
当我开始我的新工作时，我不得不**跳进深水区**。
idiom

word of honor

一个真诚且正直的承诺
Meaning
a promise made with sincerity and integrity
Example
I give you my **word of honor** that I’ll be there.
我给你我的**荣誉之言**，我会在那里。
idiom

I’m here for you

你可以依靠我的支持。
Meaning
You can count on my support.
Example
Whenever you need me, **I’m here for you**.
无论何时你需要我，**我在这里为你而在**。
idiom

Cut class

未经允许逃课
Meaning
To skip a class without permission
Example
He **cut class** to watch a movie.
他逃课去看电影了。
idiom

drive up

导致某物增加
Meaning
to cause something to increase
Example
Rising fuel costs **drive up** the price of groceries.
燃料成本的上涨推高了食品价格。
idiom

jump in on

快速加入活动或讨论
Meaning
to join an activity or discussion quickly
Example
Feel free to **jump in on** the brainstorming if you have ideas.
如果你有想法，随时可以加入头脑风暴。
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

build castles in the air

做不切实际的计划或梦想
Meaning
to make unrealistic plans or dreams
Example
He’s always **building castles in the air** instead of acting.
他总是在做空想而不行动。
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

get a handle on something

理解或控制某事
Meaning
to understand or gain control of something
Example
I'm trying to **get a handle on** the new software.
我正在努力理解新软件。
idiom

race against time

赶在截止日期前完成某事
Meaning
to rush to complete something before a deadline
Example
We’re in a **race against time** to meet the client’s demand.
我们正在**与时间赛跑**，以满足客户的需求。
idiom

hammer home

强调某事
Meaning
to emphasize something forcefully
Example
The trainer **hammered home** the importance of rest.
教练**强调**休息的重要性。
idiom

runway left

创业公司用完资金前的时间
Meaning
the amount of time before a startup runs out of money
Example
We only have six months of **runway left** to make this work.
我们只有六个月的**runway left**来让这个成功。
idiom

take with a grain of salt

带着怀疑的态度看待某事或不完全相信
Meaning
to view something with skepticism or not completely believe it
Example
He's known for exaggerating, so **take his stories with a grain of salt**.
他以夸张著称，所以要**对他的故事持怀疑态度**。
idiom

hand off to

将责任或控制转交给其他人
Meaning
to transfer responsibility or control to someone else
Example
I’ll **hand this off to** the design team tomorrow.
我明天将这交给设计团队。
idiom

downhearted

感到沮丧或悲伤
Meaning
feeling discouraged or sad
Example
She felt **downhearted** after failing the exam.
她在考试失败后感到**downhearted**。
idiom

Keep an even keel

保持冷静和稳定，尤其在困难时期。
Meaning
To stay calm and steady, especially during difficulties.
Example
Despite the pressure, she **kept an even keel** throughout the project.
尽管面临压力，她在整个项目中保持冷静。
idiom

breathe easy

在压力大或危险的情况下放松
Meaning
to relax after a stressful or dangerous situation
Example
After the pollution control laws were enforced, people could finally **breathe easy**.
在污染控制法案实施后，人们终于能够**松口气**。
idiom

Know the drill

熟悉某个例程或程序。
Meaning
To be familiar with a routine or procedure.
Example
Everyone here **knows the drill** during an emergency.
这里每个人都知道在紧急情况下该做什么。
idiom

sort through

通过分开所需和不需要的物品进行组织
Meaning
to organize by separating what is needed from what is not
Example
Let’s **sort through** the survey responses this afternoon.
今天下午我们整理调查问卷的回复。
idiom

zoom out

从更广的角度看待一个情况
Meaning
to look at a situation from a broader perspective
Example
Let’s **zoom out** and review the yearly goals.
让我们**放大视野**，回顾一下年度目标。
idiom

carry the can

接受责任或指责，通常是不公平的。
Meaning
to accept responsibility or blame, often unfairly.
Example
She was left to **carry the can** after her manager left.
经理离开后，她不得不 **承担责任**。
idiom

blow someone's mind

让某人感到震惊或惊讶
Meaning
to amaze or astonish someone
Example
The magic show really **blew my mind**.
魔术表演真的让我大吃一惊。
idiom

bootstrap a startup

在没有外部资金的情况下利用有限资源建立业务
Meaning
to build a business using limited resources without external funding
Example
Many successful founders **bootstrapped their startups** in the early days.
许多成功的创始人在早期就**自筹资金启动了他们的初创公司**。
idiom

Hear something on the grapevine

听到八卦或非正式的新闻。
Meaning
To hear gossip or unofficial news.
Example
I **heard on the grapevine** that she’s leaving the company.
我**听到一些小道消息**她要离开公司。
idiom

bang for your buck

花费的每一分钱的价值；一个好交易
Meaning
value for the money spent; a good deal
Example
This insurance plan gives you the best **bang for your buck**.
这个保险计划给你最划算的选择。
idiom

to the letter

完全按照指示
Meaning
exactly as instructed
Example
She followed her teacher’s advice **to the letter**.
她完全按照老师的建议**照做了**。
idiom

come up with

想出一个计划、想法或解决方案
Meaning
to think of a plan, idea, or solution
Example
She managed to **come up with** a clever workaround overnight.
她成功地在一夜之间想出了一个巧妙的解决方法。
idiom

full of the joys of spring

非常快乐和充满活力
Meaning
very happy and energetic
Example
She’s **full of the joys of spring** after her vacation.
她度假后充满了春天的喜悦。
idiom

go separate ways

结束一段关系或伙伴关系
Meaning
to end a relationship or partnership
Example
After ten years together, they decided to **go separate ways**.
十年后，他们决定**各走各的路**。
idiom

Cook the books

伪造财务记录以掩盖损失或盗窃。
Meaning
To falsify financial records to hide losses or theft.
Example
The accountant was fired for trying to **cook the books**.
那位会计因为试图篡改账目而被解雇。
idiom

set the stage

为某事的发生做好一切准备
Meaning
to prepare everything for something to happen
Example
The manager's speech helped **set the stage** for the upcoming conference.
经理的讲话帮助**为即将到来的会议做好了准备**。
idiom

under investigation

因涉嫌不当行为，正在由当局进行调查或审查
Meaning
being examined or looked into by authorities for possible wrongdoing
Example
The suspect is currently **under investigation** for his involvement in the crime.
嫌疑人目前因涉嫌参与犯罪而接受调查。
idiom

hit the trail

开始旅行或开始冒险
Meaning
to start traveling or begin an adventure
Example
We’ll **hit the trail** early in the morning.
我们将早晨开始旅行。
idiom

not my cup of tea

不是某人喜欢或享受的事情
Meaning
not something one likes or enjoys
Example
Watching cricket is **not my cup of tea**.
看板球不是我的兴趣。
idiom

get through to someone

让某人理解你想表达的意思
Meaning
to make someone understand what you mean
Example
I tried to **get through to him**, but he just wouldn’t listen.
我试图**get through to him**，但他根本不想听。
idiom

hash out

通过讨论解决某事的细节
Meaning
to work through the details of something by discussion
Example
They stayed late to **hash out** the final budget cuts.
他们待到很晚才讨论最终的预算削减。
idiom

take it with a grain of salt

不要完全相信某事
Meaning
to not completely believe something
Example
He tends to exaggerate, so **take his stories with a grain of salt**.
他喜欢夸大其词，所以**听他的故事时要持保留态度**。
idiom

take a hit

遭受财务损失
Meaning
to suffer a financial loss
Example
The company **took a hit** after the stock market crash.
公司在股市崩盘后**遭受了损失**。
idiom

Jump in with both feet

毫不犹豫地充满热情地开始某事。
Meaning
To start something enthusiastically without hesitation.
Example
She **jumped in with both feet** when offered the startup role.
当她被提供初创企业的职位时，她**全身心投入**。
idiom

Curiosity killed the cat

过于好奇可能导致麻烦。
Meaning
Being too inquisitive can lead to trouble.
Example
Don't ask too many questions about his past — **curiosity killed the cat**.
不要问他太多关于过去的问题 — 好奇害死了猫。
idiom

keep your cards close to your chest

保持你的计划或意图秘密
Meaning
to keep your plans or intentions secret
Example
She always **keeps her cards close to her chest** during negotiations.
她在谈判中总是把自己的底牌藏得很紧。
idiom

glue together

用胶水牢牢粘合部分
Meaning
to attach pieces firmly using adhesive
Example
Let the students **glue together** the collage pieces.
让学生们**用胶水粘合**拼贴画的部分。
idiom

take the law into your own hands

没有法律授权惩罚某人
Meaning
to punish someone without legal authority
Example
Citizens should not **take the law into their own hands**.
公民不应**将法律掌握在自己手中**。
idiom

as honest as the day is long

完全诚实和值得信赖
Meaning
completely honest and trustworthy
Example
Everyone knows that Tom is **as honest as the day is long**.
每个人都知道汤姆是**像白天一样诚实**。
idiom

the whole truth

完全的真相，没有任何隐瞒
Meaning
the complete truth without leaving anything out
Example
She promised to tell **the whole truth** in court.
她承诺在法庭上讲述**全部真相**。
idiom

ease up on

减少你使用或对某人施加压力的程度
Meaning
to reduce how much you use or pressure someone
Example
Let’s **ease up on** the reminders now that the report is done.
现在报告完成了，让我们减少提醒。
idiom

heart-to-heart

朋友之间真诚而坦率的谈话
Meaning
an honest and open conversation between friends
Example
We had a **heart-to-heart** last night about everything.
我们昨晚就所有事情进行了真诚而坦率的谈话。
idiom

take the credit

接受因某事而得到的赞扬
Meaning
to accept praise for something one did
Example
She was the one who solved the issue, but he tried to **take the credit**.
是她解决了问题，但他试图**获得功劳**。
idiom

truth be told

诚实地承认一些事情
Meaning
to admit something honestly
Example
**Truth be told**, I don’t really like this movie.
老实说，我并不太喜欢这部电影。
idiom

bury the hatchet

停止争斗并重新成为朋友
Meaning
to stop fighting and become friends again
Example
After years of argument, they decided to **bury the hatchet**.
经过多年的争执，他们决定**和解**。
idiom

seal the deal

达成或确认协议
Meaning
to finalize or confirm an agreement
Example
Offering a discount helped us **seal the deal** with the client.
提供折扣帮助我们与客户**达成协议**。
idiom

make someone's day

让某人非常高兴
Meaning
to make someone very happy
Example
Your message really **made my day**!
你的消息真的让我非常高兴！
idiom

take a dim view of

不赞成某事; 拥有负面意见
Meaning
to disapprove of something; to have a negative opinion
Example
The manager **takes a dim view of** employees arriving late.
经理不赞成员工迟到。
idiom

green around the gills

看起来生病或恶心
Meaning
looking sick or nauseated
Example
He looked **green around the gills** after the boat ride.
他在船上之后看起来**像是生病**。
idiom

Economic engine

推动整体经济增长的行业。
Meaning
A sector that drives overall economic growth.
Example
Manufacturing remains the **economic engine** of the nation.
制造业仍然是国家的**经济引擎**。
idiom

faith moves mountains

强烈的信念可以实现伟大的事情
Meaning
strong belief can achieve great things
Example
Keep believing in yourself—**faith moves mountains**.
继续相信自己—**信念能移山**。
idiom

bear the responsibility

承担某事的责任
Meaning
to take on the duty of something
Example
She was willing to **bear the responsibility** for the new project.
她愿意为这个新项目承担责任。
idiom

get a foot in the door

迈出实现某事的第一步，特别是获得工作
Meaning
to take the first step towards achieving something, especially a job
Example
He took an internship to **get a foot in the door** of the company.
他参加了实习，想在公司里得到一个职位。
idiom

strike a chord

引起某人同情或情感
Meaning
to cause someone to feel sympathy or emotion
Example
Her story **struck a chord** with the audience.
她的故事**触动了观众的心弦**。
idiom

have a lump in your throat

因强烈情感而感到像是快要哭出来的感觉
Meaning
to feel like you are about to cry because of strong emotions
Example
I had **a lump in my throat** when I said goodbye.
当我说再见时，我感到喉咙有块硬块。
idiom

keep your shirt on

保持冷静；不要生气或不耐烦
Meaning
stay calm; don’t get angry or impatient
Example
**Keep your shirt on**, we’ll solve it soon.
保持冷静，我们很快就会解决它
idiom

wear down

逐渐削弱某人或某物
Meaning
to gradually weaken someone or something
Example
Constant delays can **wear down** even the calmest client.
持续的延迟可能会使最冷静的客户感到疲惫。
idiom

catch some z’s

睡一会儿
Meaning
to get some sleep
Example
I need to **catch some z’s** before the meeting.
我需要在会议前睡一会儿。
idiom

scared out of one's wits

非常害怕
Meaning
to be very frightened
Example
The loud thunder **scared me out of my wits**.
巨大的雷声把我吓坏了。
idiom

work of art

非常美丽或巧妙制作的东西
Meaning
something very beautiful or skillfully made
Example
Her handmade dress is truly a **work of art**.
她的手工裙子真的是一件艺术品。
idiom

bright future ahead

拥有积极的前景或可能性
Meaning
having positive prospects or possibilities
Example
With your hard work, you have a **bright future ahead**.
通过你的努力工作，你拥有一个 **光明的未来**。
idiom

the ball is rolling

一个过程已经开始并在取得进展
Meaning
a process has started and is making progress
Example
Now that **the ball is rolling**, we need to keep working.
现在 **球正在滚动**, 我们需要继续工作。
idiom

A clear conscience is a soft pillow

当你诚实时，你会平静地睡觉，没有愧疚感。
Meaning
When you live honestly, you sleep peacefully without guilt.
Example
After telling the truth, he had a peaceful night’s sleep because **a clear conscience is a soft pillow**.
告诉真相后，他度过了一个安静的夜晚，因为**清晰的良心是一个柔软的枕头**。
idiom

no such luck

当期望的事情没有发生时使用
Meaning
used when something hoped for did not happen
Example
I hoped to win the lottery, but **no such luck**.
我希望赢得彩票，但**no such luck**。
idiom

no worries

用来表示一切都很好或没有问题
Meaning
used to say that everything is fine or there is no problem
Example
**No worries**, I’ll take care of it.
别担心，我来处理。
idiom

cream of the crop

一组中的最佳；最优选择
Meaning
the best of a group; the finest selection
Example
These students are the **cream of the crop**.
这些学生是**最棒的**。
idiom

the lesser of two evils

两个坏选择中较不有害的
Meaning
the less harmful of two bad options
Example
Voters often choose **the lesser of two evils** during elections.
选民在选举时常常选择**较小的恶**。
idiom

hit the tourist trail

参观受欢迎的旅游目的地
Meaning
to visit popular tourist destinations
Example
We decided to **hit the tourist trail** after exploring the local villages.
在探索完当地村庄后，我们决定参观受欢迎的旅游目的地。
idiom

clue in

给某人必要的信息
Meaning
to give someone the necessary information
Example
Can you **clue me in** on the schedule changes?
你能 **告诉我时间表的变化吗？**
idiom

drive someone crazy

使某人生气或烦恼
Meaning
to irritate or annoy someone very much
Example
The noise is **driving me crazy**!
这个噪音让我快疯了！
idiom

dress up

穿正式或特别的衣服
Meaning
to wear formal or special clothes
Example
We don’t have to **dress up** for tonight’s dinner—it’s casual.
我们今晚的晚餐不需要**穿正式的衣服**——它是休闲的。
idiom

gear up

为某事精力充沛地做准备
Meaning
to prepare energetically for something
Example
The team is **gearing up** for the product launch next week.
团队正在为下周的产品发布做准备。
idiom

a crash course

短期强化学习课程
Meaning
a short and intensive course of study
Example
I had to take a **crash course** in programming before starting the job.
在开始工作之前，我不得不参加一个编程**速成课程**。
idiom

throw one’s hat into the ring

宣布有意参与或竞争，尤其在政治中
Meaning
to announce one’s intention to compete or take part, especially in politics
Example
He finally **threw his hat into the ring** for the mayoral election.
他终于为市长选举投入了自己的帽子。
idiom

hit the pause button

暂停或暂时停止你正在做的事情
Meaning
to take a break or stop what you are doing temporarily
Example
After weeks of hard work, I decided to **hit the pause button** and relax for a while.
经过几周的辛勤工作后，我决定按下暂停键，休息一下。
idiom

a little bird told me

有人悄悄告诉我某些事情
Meaning
someone told me something secretly
Example
A **little bird told me** that you got a new job.
一只**小鸟告诉我**你找到了新工作。
idiom

line up

安排人或物品的顺序或安排某事
Meaning
to arrange people or things in order or to schedule something
Example
We’ve **lined up** three guest speakers for the conference.
我们已经为会议安排了三位嘉宾演讲者。
idiom

a man of vision

具有远见和想象力的人
Meaning
a person who has foresight and imagination
Example
He is **a man of vision** who transformed the company.
他是一个有远见的人，改变了公司。
idiom

see the light

最终理解或接受真相或新观念
Meaning
to finally understand or accept the truth or a new idea
Example
After years of denial, he finally **saw the light**.
经过多年的否认，他终于看到了真相。
idiom

put your money where your mouth is

用行动或金钱支持你的话
Meaning
to support your words with actions or financial commitment
Example
If you believe in the project, **put your money where your mouth is**.
如果你相信这个项目，就投入资金
idiom

can of worms

一个复杂的问题，一旦开始，可能会引发更多麻烦
Meaning
a complex problem that may cause more trouble once started
Example
AI bias is a **can of worms** that’s hard to fix.
AI偏见是一个**can of worms**，很难解决。
idiom

upgrade your mindset

让自己的思维方式适应现代的变化或创新
Meaning
to adapt one’s thinking for modern changes or innovation
Example
In the age of AI, it’s vital to **upgrade your mindset**.
在人工智能时代，**升级你的思维方式**非常重要。
idiom

Wear your heart on your sleeve

公开展示你的情感或感觉。
Meaning
To openly show your emotions or feelings.
Example
He **wears his heart on his sleeve**, so you always know how he feels.
他**把心思表露无遗**，所以你总是知道他怎么想。
idiom

dirty politics

被认为不诚实或不道德的政治活动
Meaning
political activities that are considered dishonest or unethical
Example
His campaign was full of **dirty politics**, using false information to attack his opponent.
他的竞选充满了**dirty politics**，利用虚假信息攻击对手。
idiom

sing the same tune

与他人持有相同的观点
Meaning
to have the same opinion as someone else
Example
Both managers **sing the same tune** about company policy.
两位经理对公司政策意见一致。
idiom

keep moving forward

尽管有障碍或挫折，也要继续前进
Meaning
to continue progressing despite obstacles or setbacks
Example
No matter what happens, always **keep moving forward**.
无论发生什么，都要继续前进。
idiom

surf the net

浏览或探索互联网上的网站
Meaning
to browse or explore websites on the internet
Example
I usually **surf the net** before going to bed.
我通常在睡觉前上网浏览。
idiom

cover your bases

为所有可能的结果做好准备；保持谨慎
Meaning
to prepare for all possible outcomes; to be cautious
Example
Make sure you **cover your bases** before presenting the report.
在提交报告之前，确保你已经**覆盖了你的基础**。
idiom

to kill two birds with one stone

一石二鸟
Meaning
to achieve two things at once
Example
I can **kill two birds with one stone** by listening to a podcast while I exercise.
我可以一边锻炼一边听播客，这样一石二鸟。
idiom

to throw one's hat into the ring

宣布参加某事的竞选或竞争意图
Meaning
to announce one’s candidacy or intention to compete in something
Example
He decided to **throw his hat into the ring** and run for mayor.
他决定**宣布参选**并竞选市长。
idiom

a golden goose

持续财富或利润的来源
Meaning
a source of continuous wealth or profit
Example
Their subscription service has become **a golden goose** for the company.
他们的订阅服务已经成为公司的一只**a golden goose**。
idiom

fall flat

完全失败
Meaning
to fail completely
Example
His idea **fell flat** because nobody liked it.
他的想法完全失败了，因为没有人喜欢。
idiom

set your sights on

决定要实现某事；瞄准一个具体目标
Meaning
to decide to achieve something; to aim for a specific goal
Example
She has **set her sights on** becoming a doctor.
她下定决心要成为医生。
idiom

lose your nerve

失去做某事的勇气
Meaning
to become too frightened to do something
Example
I was going to ask her out, but I **lost my nerve**.
我本打算约她出去，但我失去了勇气。