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idiom

hand in

将某物交给有权力的人
Meaning
to submit something to someone in authority
Example
Please **hand in** your assignment by Friday morning.
请在周五早上前交上作业。
idiom

hold your horses

耐心一点；等一下
Meaning
to be patient; to wait
Example
**Hold your horses**! The show hasn’t started yet.
耐心一点！表演还没开始。
idiom

have your hands full

忙于工作或责任
Meaning
to be very busy with work or responsibilities
Example
She can’t take on another task right now—she already **has her hands full**.
她现在不能接受其他任务——她已经**手忙脚乱**了。
idiom

have a heart of gold

非常善良和慷慨
Meaning
to be very kind and generous
Example
Everyone loves her because she **has a heart of gold**.
每个人都喜欢她，因为她有一颗金子般的心。
idiom

hang in there

在困难的情况下保持坚持和决心
Meaning
to remain persistent and determined in difficult circumstances
Example
I know you're tired, but **hang in there** because you're almost finished.
我知道你累了，但**坚持住**，因为你快完成了。
idiom

have your jaw drop

极度惊讶或震惊
Meaning
to be extremely surprised or shocked
Example
My **jaw dropped** when I saw the price.
看到价格时，我惊呆了。
idiom

hold off

推迟做某事
Meaning
to delay doing something
Example
Let’s **hold off** on finalizing the order until we confirm the budget.
在确认预算之前，让我们先推迟定单的最终确认。
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

have the floor

在讨论中有发言权
Meaning
to have the right to speak in a discussion
Example
You **have the floor** now; please share your thoughts.
现在轮到你发言了，请分享你的想法。
idiom

have a change of heart

改变主意
Meaning
to change your opinion or the way you feel about something
Example
She was going to move abroad, but she had **a change of heart**.
她原本打算出国，但后来改变了主意。
idiom

hair-raising experience

非常可怕或令人恐惧的事情
Meaning
something very frightening or terrifying
Example
Driving through that storm was a **hair-raising experience**.
穿越那场风暴是一场毛骨悚然的经历。
idiom

have it out

开诚布公地谈论分歧以解决问题
Meaning
to talk openly about a disagreement to resolve it
Example
They decided to **have it out** instead of staying angry.
他们决定**开诚布公地谈一谈**，而不是继续生气。
idiom

have stars in one’s eyes

对未来充满兴奋和梦想
Meaning
to be full of excitement and dreams about the future
Example
Young artists **have stars in their eyes** when they start their careers.
年轻的艺术家在开始他们的职业生涯时充满梦想。
idiom

have a lot on one’s plate

有很多责任或任务
Meaning
to have many responsibilities or tasks
Example
She can’t join us tonight; she **has a lot on her plate**.
她今晚不能加入我们；她有很多事情要做。
idiom

have faith in someone

完全信任某人
Meaning
to trust someone completely
Example
You should **have faith in** your team.
你应该**信任**你的团队。
idiom

Handed down

把某物传给或留给更年轻的人或来自前一代的人
Meaning
To give or leave something to someone younger or from a previous generation
Example
This antique watch was **handed down** to me from my grandfather.
这只古老的手表是我爷爷从他那里**handed down**给我的。
idiom

Handle with kid gloves

以非常温和或小心的方式对待某人。
Meaning
To treat someone very gently or carefully.
Example
They **handled** the new client **with kid gloves**.
他们非常小心地对待了新客户。
idiom

heartbroken

非常伤心并且情感上受伤
Meaning
very sad and emotionally hurt
Example
He was **heartbroken** when his pet died.
当他的宠物死了时，他感到**heartbroken**。
idiom

hold forth

就某个话题长时间地讲话
Meaning
to speak at length about a topic
Example
He loved to **hold forth** on travel stories.
他喜欢在旅行故事中长时间地讲话。
idiom

have big plans

对未来有重要或雄心勃勃的计划
Meaning
to have important or ambitious goals for the future
Example
He **has big plans** to expand his business overseas.
他有扩大自己海外业务的宏伟计划。
idiom

hold up your end

对某事完全感到无聊或烦恼
Meaning
to fulfill your part of an agreement or duty
Example
If you **hold up your end**, the project will succeed.
我**生病和厌倦**听他的借口。
idiom

honor one's promise

遵守承诺或承诺
Meaning
to keep a promise or commitment
Example
She **honored her promise** to visit the orphanage.
她**履行了她的承诺**去参观孤儿院。
idiom

hit the brakes

减速或停止某事
Meaning
to slow down or stop something
Example
The company had to **hit the brakes** on its expansion plans.
公司不得不暂停其扩张计划。
idiom

hold the reins

掌控某事或负责一项情况
Meaning
to be in control of something or in charge of a situation
Example
She’s the one who **holds the reins** of the team, making sure everything runs smoothly.
她是那个**掌控团队的人**，确保一切顺利进行。
idiom

hacktivism

利用黑客行为促进政治或社会事业
Meaning
the use of hacking to promote political or social causes
Example
The group used **hacktivism** to expose corruption within the government.
该组织利用**黑客主义**揭露政府内部的腐败。
idiom

hold back on

推迟或减少做某事
Meaning
to delay or reduce doing something
Example
Let’s **hold back on** hiring until sales improve.
让我们推迟招聘，直到销售有所改善。
idiom

hands are tied

由于规则或限制而无法自由行动
Meaning
to be unable to act freely because of rules or restrictions
Example
The government’s **hands are tied** due to international trade laws.
由于国际贸易法的限制，政府的双手被束缚。
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

have butterflies in your stomach

对某事感到非常紧张
Meaning
to feel very nervous about something
Example
She always **has butterflies in her stomach** before exams.
她在考试前总是感到紧张。
idiom

hit rock bottom

跌入谷底；到达失败或抑郁的最低点
Meaning
to reach the lowest point of failure or depression
Example
After losing his job, he **hit rock bottom**.
失去工作后，他**跌入了谷底**。
idiom

have a splitting headache

头痛得厉害
Meaning
to have a very bad headache
Example
I can’t focus right now; I **have a splitting headache**.
我现在无法集中注意力；我头痛得厉害。
idiom

head up

领导一个团队或项目
Meaning
to lead a team or project
Example
Priya will **head up** the new outreach campaign.
Priya将领导新的外展活动。
idiom

hang on

等一下
Meaning
to wait for a short time
Example
**Hang on** a minute, I’ll be right back.
等一下，我马上回来。
idiom

have faith in yourself

相信自己的能力和决定
Meaning
to trust your own abilities and decisions
Example
**Have faith in yourself**, you can do this!
相信自己，你能做到！
idiom

have itchy feet

有强烈的旅行或搬家的欲望
Meaning
to feel a strong desire to travel or move
Example
After a few months at home, I started to **have itchy feet** again.
在家待了几个月后，我又开始有了旅行的欲望。
idiom

have a one-track mind

一直只想一件事
Meaning
to think about only one thing all the time
Example
He **has a one-track mind** when it comes to his business.
当涉及到他的生意时，他**有单一思维**。
idiom

hold oneself accountable

为自己的行为或决定承担责任
Meaning
to take responsibility for one's actions or decisions
Example
A true leader **holds himself accountable** for the team’s failures.
真正的领导者会为团队的失败承担责任。
idiom

hit like a ton of bricks

造成突然且强烈的震惊或惊讶
Meaning
to cause a sudden and strong shock or surprise
Example
The news of his death **hit me like a ton of bricks**.
他去世的消息 **像一吨砖块一样击中了我**。
idiom

hit the sack

去睡觉
Meaning
to go to bed
Example
I'm exhausted, so I'm going to **hit the sack** early tonight.
我累了，所以今晚打算早点睡觉。
idiom

hand down to

将某物传给下一代的人
Meaning
to pass something to someone of a later generation
Example
Grandma **handed this down to** me when I graduated.
奶奶在我毕业时把这个**传给我**。
idiom

head back to

返回一个地方
Meaning
to return to a place
Example
Let’s **head back to** the office after lunch.
午餐后我们回到办公室。
idiom

hit below the belt

以不公平的方式行事或说一些伤人的话
Meaning
to act unfairly or say something hurtful
Example
That comment about her family was really **hitting below the belt**.
关于她家人的那句话真是太过分了。
idiom

hashtag activism

使用标签来支持在线的社会或政治原因
Meaning
using hashtags to support social or political causes online
Example
**Hashtag activism** can raise awareness but may not lead to real change.
**标签行动主义**可以提高意识，但不一定会带来真正的改变。
idiom

hit the gas

加速; 更快地移动
Meaning
to accelerate; to move faster
Example
He **hit the gas** to catch the green light.
他加速了以赶上绿灯。
idiom

hold your ground

拒绝改变自己的立场或意见
Meaning
to refuse to change your position or opinion
Example
She **held her ground** even when others disagreed.
她即使在其他人不同意时，也**坚持自己的立场**。
idiom

hit the target audience

用信息或产品触达目标受众
Meaning
to reach the intended group of people with a message or product
Example
The new campaign failed to **hit the target audience** effectively.
新的宣传活动未能有效地**触达目标受众**。
idiom

hit the streets

开始巡逻或开始寻找嫌疑人
Meaning
to go out on patrol or begin a search for a suspect
Example
The officers decided to **hit the streets** after the robbery was reported.
在抢劫案报告后，警察决定开始巡逻。
idiom

hit the reset button

重新开始或重新起步
Meaning
to start fresh or make a new beginning
Example
After the failure, the team decided to **hit the reset button**.
失败之后，团队决定重新开始。
idiom

hand over

将控制或所有权交给别人
Meaning
to give control or possession to someone else
Example
She will **hand over** the keys when the lease is signed.
她将在签署合同后交出钥匙。
idiom

hit the airwaves

开始在电视或广播中播出
Meaning
to start being broadcast on television or radio
Example
The new talk show will **hit the airwaves** next week.
新的脱口秀将在下周通过电视和广播播出。
idiom

hit back

用力回应批评或攻击
Meaning
to reply to criticism or attack with force
Example
The team plans to **hit back** with a stronger strategy.
团队计划用更强大的策略进行反击。
idiom

have a soft spot for someone

对某人感到喜爱或温柔
Meaning
to feel affection or fondness for someone
Example
He has always **had a soft spot for** his childhood friend.
他一直对他的童年朋友有柔软的感觉。
idiom

hope against hope

即使看起来不可能也继续抱有希望
Meaning
to continue hoping even when it seems impossible
Example
They **hoped against hope** that their team would win.
他们仍然怀着希望，希望他们的团队能获胜。
idiom

hold over

将某事推迟到稍后时间
Meaning
to postpone something to a later time
Example
They had to **hold over** the vote until next week.
他们不得不将投票推迟到下周。
idiom

hit the firewall

在尝试访问某些在线内容时遇到限制或安全阻止
Meaning
to face a restriction or security block while trying to access something online
Example
I tried to visit the site but **hit the firewall** at work.
我试图访问该网站，但在工作中**遇到了防火墙**。
idiom

happy as a clam

非常满足和舒适
Meaning
very content and comfortable
Example
She looked **happy as a clam** on her vacation.
她在度假时看起来非常开心。
idiom

heart sinks

突然感到失望或悲伤
Meaning
to feel disappointed or sad suddenly
Example
My **heart sank** when I saw the exam result.
当我看到考试结果时，我的心沉了下来。
idiom

house of cards

一个脆弱而可能失败的计划或结构
Meaning
a plan or structure that is weak and likely to fail
Example
Their business model turned out to be a **house of cards**.
他们的商业模式最终被证明是一个纸牌屋。
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

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

have a short fuse

很容易生气
Meaning
to get angry easily
Example
Be careful what you say; he **has a short fuse**.
小心你说的话; 他 **有短的导火索**。
idiom

hit home

被完全理解或产生强烈的影响
Meaning
to be fully understood or have a strong impact
Example
The reality of the housing crisis really **hit home** for them.
住房危机的现实真正对他们产生了深远的影响。
idiom

hit the ground running

精力充沛且成功地开始一件事
Meaning
to start something energetically and successfully
Example
She joined the team and **hit the ground running** on her first day.
她加入了团队，并在第一天就充满活力地投入工作。
idiom

hold your nerve

在压力下保持冷静和自信
Meaning
to remain calm and confident under pressure
Example
She **held her nerve** and finished the speech perfectly.
她保持冷静，完美地结束了演讲。
idiom

hand down

把某样东西传给下一代
Meaning
to pass something to someone of a later generation
Example
My grandmother **handed down** this recipe to me.
我的祖母把这份食谱**传给**了我。
idiom

have a good head on one's shoulders

理智且聪明
Meaning
to be sensible and intelligent
Example
She’s only 20, but she **has a good head on her shoulders**.
她只有20岁，但她**有一个好的头脑**。
idiom

hard act to follow

某人或某物如此出色，以至于很难取代
Meaning
someone or something so good that it’s difficult to replace
Example
The previous manager was a **hard act to follow**.
前任经理是一个**hard act to follow**。
idiom

hold yourself accountable

为你的行为承担个人责任
Meaning
to take personal responsibility for your actions
Example
You must always **hold yourself accountable** for your actions.
你必须总是**为自己的行为负责**。
idiom

hit a snag

遇到意外问题或障碍
Meaning
to face an unexpected problem or obstacle
Example
The project **hit a snag** when the server went down.
当服务器宕机时，项目**hit a snag**。
idiom

have a way with words

通过言辞非常善于说服或迷人
Meaning
to be very good at persuading or charming people with speech
Example
He **has a way with words** that makes everyone listen.
他 **有一种方式与文字** 使每个人都听。
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

have a vivid imagination

能够想出有趣和不寻常的想法
Meaning
to be able to think of interesting and unusual ideas
Example
Children often **have a vivid imagination**.
孩子们经常有 **生动的想象力**。
idiom

have it made

处于非常有利的位置以获得成功
Meaning
to be in a very good position for success
Example
With a stable job and a happy family, he really **has it made**.
有了稳定的工作和幸福的家庭，他确实是处于一个非常好的位置。
idiom

hard sell

一种激进或强迫的销售方式
Meaning
an aggressive or forceful sales approach
Example
Customers today dislike the **hard sell** approach.
今天的客户不喜欢**hard sell**的方式
idiom

hot potato

一个有争议的问题，没有人愿意处理
Meaning
a controversial issue that no one wants to deal with
Example
The refugee crisis has become a **hot potato** in the government.
难民危机在政府中变成了一个有争议的问题
idiom

hang onto

保留某物并且不交出去
Meaning
to keep something and not give it away
Example
I’ll **hang onto** the receipts in case we need a refund.
我会保留收据，以防我们需要退款。
idiom

hit the target market

有效地接触目标受众
Meaning
to reach the intended audience effectively
Example
Our ads finally **hit the target market** this quarter.
我们的广告终于在这个季度触及了目标市场。
idiom

hit the trends

在很短的时间内变得流行或时尚
Meaning
to become popular or fashionable in a very short period of time
Example
The new meme about the office prank has **hit the trends** and is everywhere now.
关于办公室恶作剧的新迷因已经**成为了趋势**，现在到处都是。
idiom

heart skips a beat

因爱情而感到激动或紧张
Meaning
to feel excited or nervous because of love
Example
Every time he smiles, her **heart skips a beat**.
每次他笑的时候，她的**心跳漏了一拍**。
idiom

have words with someone

与某人争吵
Meaning
to argue with someone verbally
Example
I **had words with** my boss about the new policy.
我与我的老板就新政策进行了争论。
idiom

hit the nail on the head

在某件事上完全正确
Meaning
to be exactly right about something
Example
You **hit the nail on the head** with that analysis.
你在这个分析上完全正确。
idiom

hit the town

与朋友一起出去玩
Meaning
to go out and enjoy with friends
Example
Let’s **hit the town** tonight and celebrate!
今晚我们去外面玩，庆祝一下！
idiom

hang out with

和朋友一起度过时间
Meaning
to spend time with friends
Example
We usually **hang out with** our classmates after school.
我们通常在放学后和同学们一起度过时间。
idiom

have steam coming out of your ears

明显非常生气
Meaning
to be visibly very angry
Example
He had **steam coming out of his ears** when he saw the damage.
他看到损坏后，**气得发红**。
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

hang loose

放松并轻松对待事情
Meaning
to relax and take things easy
Example
We’re on vacation, so just **hang loose** and enjoy.
我们在度假，所以放松并享受吧。
idiom

hush-hush

保密或非常机密
Meaning
kept secret or very confidential
Example
The project is still **hush-hush**, so don’t mention it.
该项目仍然保密，所以不要提到它。
idiom

have cold feet

在做重要的事情之前突然变得紧张
Meaning
to suddenly become nervous before doing something important
Example
He was ready to get married but **got cold feet** at the last minute.
他准备结婚，但在最后一分钟**得冷脚**。
idiom

have a vision

对未来有一个清晰的想法或梦想
Meaning
to have a clear idea or dream for the future
Example
A good leader must **have a vision** for their team.
一个好领导必须为他们的团队有一个愿景。
idiom

hammer out

在深入讨论后达成协议
Meaning
to reach an agreement after thorough discussion
Example
They stayed late to **hammer out** the final details of the contract.
他们加班到很晚，商定合同的最后细节。
idiom

hang back

留在后面或犹豫不决
Meaning
to remain behind or hesitate to act
Example
If you **hang back**, you might miss the opportunity.
如果你留在后面，你可能会错失机会。
idiom

hear something through the grapevine

间接听到新闻或谣言
Meaning
to hear news or rumors indirectly
Example
I **heard through the grapevine** that they are getting married.
我通过小道消息听说他们要结婚。
idiom

have a smile on your face

看起来快乐和高兴
Meaning
to appear happy and cheerful
Example
She always has a smile on her face, no matter the situation.
无论情况如何，她脸上总是带着微笑。
idiom

heart in your mouth

感到极度焦虑或害怕
Meaning
to feel extremely anxious or scared
Example
My **heart was in my mouth** when the plane started shaking.
当飞机开始颤抖时，我的**心脏在嘴里**。
idiom

have a green thumb

擅长园艺
Meaning
to be good at gardening
Example
My mother **has a green thumb** and grows beautiful flowers.
我妈妈**拥有绿拇指**，种植美丽的花朵。
idiom

high-risk, high-reward

涉及许多风险，但也提供了巨大奖励潜力的情况或决策
Meaning
situations or decisions that involve a lot of risks but also offer the potential for great rewards
Example
Investing in emerging markets can be **high-risk, high-reward**, but the returns are worth it.
投资新兴市场可能是高风险，高回报，但回报值得。
idiom

hold accountable

让某人为他们的行为负责
Meaning
to make someone responsible for their actions
Example
Managers should be **held accountable** for their team's results.
经理应该为他们团队的结果**承担责任**。
idiom

hockey stick growth

在一段缓慢发展之后的急剧增长
Meaning
a sharp increase in growth after a period of slow progress
Example
The startup saw **hockey stick growth** after launching their new feature.
这家初创公司在推出新功能后经历了“曲棍球棒式”增长。
idiom

head out

离开前往目的地
Meaning
to leave for a destination
Example
Let’s **head out** before the traffic gets heavy.
让我们**离开**，趁交通还不繁忙。
idiom

have a heart

表现同情或善良
Meaning
to show compassion or kindness
Example
**Have a heart**, he didn’t mean to hurt you.
有点同情吧，他并不想伤害你。
idiom

hear something straight from the horse's mouth

直接从原始或最可靠的来源听到某事
Meaning
to hear something directly from the original or most reliable source
Example
I heard it **straight from the horse's mouth** that the event is canceled.
我直接从马的嘴里听到这个活动被取消了。
idiom

Help each other out

在困难的情况下相互帮助。
Meaning
To assist one another, especially in difficult situations.
Example
During the project, we all had to **help each other out** to finish on time.
在项目期间，我们都必须**互相帮助**才能按时完成。
idiom

have a brainwave

突然有了一个聪明的想法
Meaning
to suddenly have a clever idea
Example
I **had a brainwave** and solved the puzzle.
我突然有了一个聪明的想法，并解开了这个谜题。
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

home sweet home

用来表达回家时的幸福感
Meaning
used to express happiness upon returning home
Example
After a long trip, it feels so good to be **home sweet home**.
长时间的旅行后，回到家的感觉真好。
idiom

have a falling out

与某人发生争执或争斗
Meaning
to have a disagreement or fight with someone
Example
They **had a falling out** over money issues.
他们因钱的问题而发生了争执。
idiom

have a soft spot for

对某事或某人有好感或喜爱
Meaning
to have a fondness or affection for something or someone
Example
I **have a soft spot for** old classic movies.
我对老电影有特别的喜爱。
idiom

have nerves of steel

在压力下非常勇敢和冷静
Meaning
to be very brave and calm under pressure
Example
A firefighter must **have nerves of steel** to face danger every day.
消防员必须有钢铁般的神经才能每天面对危险
idiom

honesty is the best policy

诚实永远是最好的行为方式
Meaning
being honest is always the best way to behave
Example
My parents always taught me that **honesty is the best policy**.
我的父母总是教我诚实是最好的政策。
idiom

have the time of your life

拥有极其愉快的经历
Meaning
to have an extremely enjoyable experience
Example
We **had the time of our lives** at the amusement park.
我们在游乐园度过了人生中最美好的时光。
idiom

have a whale of a time

玩得非常开心
Meaning
to have an extremely enjoyable time
Example
We **had a whale of a time** at the beach party.
我们在沙滩派对上玩得非常开心。
idiom

helicopter parent

一个过度参与孩子生活的父母
Meaning
a parent who is overly involved in their child’s life
Example
She’s a bit of a **helicopter parent**, always watching over her kids.
她有点像**直升机父母**，总是关注她的孩子。
idiom

have guts

有勇气或信心做困难的事情
Meaning
to have courage or confidence to do something difficult
Example
It takes someone with real courage to **have guts** to speak the truth.
只有拥有真正勇气的人才能**有胆量**说出真相。
idiom

hold the vision

保持明确的方向感或目标
Meaning
to maintain a clear sense of direction or goal
Example
Leaders who **hold the vision** can guide their teams through difficult times.
那些**保持愿景**的领导者，能够带领他们的团队度过困难时期。
idiom

Hit the wall

达到一个身体或精神上精疲力竭无法继续的点
Meaning
to reach a point where one is physically or mentally exhausted and cannot continue
Example
I’ve been working all day, and now I’ve finally **hit the wall**.
我工作了一整天，现在终于**撞墙了**。
idiom

have a spark of creativity

展现出创造性或想象力的迹象
Meaning
to show signs of being creative or imaginative
Example
Even as a child, she **had a spark of creativity**.
即使是小时候，她也有一丝创造力的火花。
idiom

how’s it going

一种非正式的询问某人状况的方式
Meaning
a casual way of asking how someone is doing
Example
**How’s it going?** You look great today!
**怎么样？** 你今天看起来真棒！
idiom

heart in one’s mouth

感到极度的恐惧或焦虑
Meaning
to feel extreme fear or anxiety
Example
My **heart was in my mouth** as I waited for the results.
当我等待结果时，我的**心提到了嗓子眼**。
idiom

hack the system

进入系统或网络以获得未经授权的访问权限
Meaning
to break into a system or network to gain unauthorized access
Example
He was caught trying to **hack the system** for personal gain.
他在试图黑入系统以谋取个人利益时被抓住了。
idiom

hold the upper hand

拥有更多的权力或优势
Meaning
to have more power or advantage over others
Example
Negotiations continued, but the buyer **held the upper hand**.
谈判继续进行，但买方 **占据了上风**。
idiom

Have something up your sleeve

有一个秘密计划或想法。
Meaning
To have a secret plan or idea.
Example
Don’t worry, he **has something up his sleeve** for the project.
别担心，他**有东西在袖子里**为这个项目。