Know your stuff
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idiom

Know your stuff

对某事有知识或技能
Meaning
to be knowledgeable or skilled about something
Example
You can tell she really **knows her stuff** about physics.
你可以说她对物理学真的很了解。
idiom

Keep your head above water

设法在困难中生存或应对。
Meaning
Manage to survive or cope with difficulties.
Example
It’s hard, but I’m trying to **keep my head above water**.
很难，但我在尽力保持生存。
idiom

keep things bottled up

不表达你的情感或担忧
Meaning
to not express your emotions or worries
Example
He tends to **keep things bottled up** instead of talking about them.
他倾向于**把事情闷在心里**，而不是谈论它们。
phrasal-verb

keep back

扣留某物; 保持距离
Meaning
to withhold something; to stay at a distance
Example
The police told the crowd to **keep back** from the scene.
警察告诉人群**保持距离**远离现场。
idiom

keep something under wraps

将某事保密
Meaning
to keep something secret
Example
They managed to **keep the project under wraps** until the launch day.
他们成功地**将项目保密**直到发布日。
phrasal-verb

knock out

击败某人使其无法继续比赛
Meaning
to defeat someone so they can no longer compete
Example
They **knocked out** the defending champions in the semi-final.
他们在半决赛中击败了防守冠军。
idiom

keep track of

持续监控或记录信息
Meaning
to monitor or record information consistently
Example
Use the shared sheet to **keep track of** expenses.
使用共享表格来跟踪支出。
phrasal-verb

keep up

维持或继续一种习惯或传统
Meaning
to maintain or continue a custom or tradition
Example
Our family still **keeps up** the tradition of making homemade sweets on Eid.
我们的家庭仍然保持着在开斋节做自制甜点的传统。
phrasal-verb

keep up on

保持与在线工作或沟通保持更新
Meaning
to stay updated with online work or communication
Example
She always **keeps up on** company news through Slack.
她总是通过Slack保持对公司新闻的更新。
idiom

knock someone for six

极大地震惊或使某人烦恼
Meaning
to shock or upset someone greatly
Example
The sudden loss **knocked him for six**.
突如其来的损失 **让他震惊**。
phrasal-verb

keep pushing

尽管面临障碍仍然继续努力
Meaning
to continue making an effort despite obstacles
Example
Even when life gets tough, keep **pushing** forward.
即使生活变得艰难，继续向前走。
idiom

keep your mind on

专注于任务或目标
Meaning
to stay focused on a task or goal
Example
If you **keep your mind on** your studies, you’ll do well.
如果你**保持你的心思**在学习上，你会做得很好。
idiom

keep body and soul together

努力生存或幸存
Meaning
to manage to stay alive or survive
Example
He worked day and night just to **keep body and soul together**.
他日夜工作只是为了**活下来**。
idiom

key in on

专注于某个特定的事物
Meaning
to give focused attention to something specific
Example
The coach asked the team to **key in on** their defensive mistakes.
教练要求团队**专注于**他们的防守错误。
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

Keep at it

继续尝试，即使很困难。
Meaning
Continue trying even when it’s hard.
Example
Don’t give up—just **keep at it**.
不要放弃—继续努力。
idiom

kick out

强迫某人离开
Meaning
to force someone to leave
Example
Security **kicked out** the rowdy fans before the end.
保安在结束前**踢出了**吵闹的球迷。
phrasal-verb

keep inside

不向他人展示或告诉他们你的情感
Meaning
to not show or tell others about your emotions
Example
He tends to **keep** his feelings **inside** instead of talking about them.
他倾向于将自己的感受**保持在心里**，而不是谈论它们。
idiom

kick in

开始生效
Meaning
to begin to take effect
Example
The backup generator should **kick in** within seconds.
备份发电机应在几秒钟内**启动**。
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

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。
phrasal-verb

key up

使某人感到紧张或兴奋
Meaning
to make someone feel nervous or excited
Example
She was **keyed up** before her first performance.
她在第一次表演前感到非常兴奋。
idiom

Keep it under your hat

保持某事秘密。
Meaning
To keep something secret.
Example
I’ll tell you a secret, but **keep it under your hat**.
我会告诉你一个秘密，但**保密**。
idiom

keep on track

按照计划继续做某事
Meaning
to continue doing something as planned
Example
We need to **keep on track** to meet our deadlines.
我们需要**保持进度**以赶上最后期限。
idiom

keep your head up

在困境中保持自信和坚强
Meaning
to remain confident and strong during hardships
Example
**Keep your head up**, better days are coming.
**抬起头来**, 更好的日子即将到来。
idiom

keep someone at arm’s length

与某人保持距离
Meaning
to avoid getting too close to someone
Example
After the argument, I **kept him at arm’s length**.
争吵之后，我与他保持距离。
idiom

keyboard warrior

在线发布攻击性或愤怒评论的人
Meaning
someone who posts aggressive or angry comments online
Example
He acts tough online, but he’s just a **keyboard warrior**.
他在线上表现得很强硬，但他只是一个**键盘战士**。
idiom

keep one's cards close to the chest

将计划或意图保密
Meaning
to keep one's plans or intentions secret
Example
During the negotiations, she **kept her cards close to the chest**.
在谈判期间，她**保持了自己的卡片靠近胸部**。
idiom

Keep your friends close and your enemies closer

保持与朋友的良好关系非常重要，但理解你的敌人也同样重要。
Meaning
It's important to maintain good relationships with your friends, but it's equally important to understand your enemies.
Example
He always watches his competitors carefully because he believes in **keeping your friends close and your enemies closer**.
他总是小心地观察竞争对手，因为他相信**保持朋友在身边，敌人更靠近**。
idiom

Keep the tradition alive

继续实践一个习俗，以免它被遗忘
Meaning
To continue practicing a custom so that it is not forgotten
Example
Every year we celebrate this festival to **keep the tradition alive**.
每年我们都会庆祝这个节日，以**保持传统活力**。
phrasal-verb

keep inflation in check

控制通货膨胀并防止其过度上涨
Meaning
to control inflation and prevent it from rising too much
Example
The government is trying to **keep inflation in check** through monetary policies.
政府正在通过货币政策试图**控制通货膨胀**。
idiom

keep faith with someone

对某人或某事保持忠诚
Meaning
to remain loyal to someone or something
Example
Even in hard times, she **kept faith with** her friends.
即使在困难时期，她也保持了对朋友的忠诚。
idiom

keep your dreams alive

即使困难，也要继续相信自己的目标
Meaning
to continue believing in your goals even when it's hard
Example
No matter how tough life gets, **keep your dreams alive**.
无论生活多么艰难，**保持你的梦想活着**。
idiom

knock your socks off

极大地打动或惊讶某人
Meaning
to impress or surprise someone greatly
Example
The concert will **knock your socks off**!
音乐会将 **让你大吃一惊**！
phrasal-verb

keep cool

保持冷静
Meaning
to remain calm in a stressful situation
Example
It’s important to **keep cool** even when things go wrong.
即使事情出错，也要**保持冷静**。
phrasal-verb

keep fit

保持健康和积极运动
Meaning
to stay healthy and physically active
Example
I go jogging every morning to **keep fit**.
我每天早上去慢跑来保持健康。
phrasal-verb

keep offices aligned

确保不同分支遵循相同的计划
Meaning
to ensure different branches follow the same plan
Example
We **keep offices aligned** with a daily global standup call.
我们通过每天的全球站立电话来保持办公室对齐。
idiom

keep your nose to the grindstone

努力工作并持续不断
Meaning
to work hard and continuously
Example
If you **keep your nose to the grindstone**, you’ll achieve your goals.
如果你**保持在磨石上工作**，你将实现你的目标。
phrasal-verb

keep off

避免触摸或踩到某物; 避免谈论某事
Meaning
to avoid touching or stepping on something; to avoid talking about something
Example
Please **keep off** the grass.
请不要踩到草坪
phrasal-verb

keep down

防止增长或增长
Meaning
to prevent from increasing or growing
Example
We need to **keep down** our expenses this month.
我们需要在这个月**keep down**我们的开支。
phrasal-verb

keep alive

确保文化传统继续存在
Meaning
to make sure cultural traditions continue to exist
Example
Artists work hard to **keep alive** the spirit of folk art.
艺术家们努力工作，以确保民间艺术的精神得以保持。
phrasal-verb

keep perspective

在情绪化的情况下保持冷静和理智
Meaning
to stay calm and rational during emotional situations
Example
During conflicts, it’s important to **keep perspective** instead of overreacting.
在冲突中，保持冷静，而不是过度反应，至关重要。
idiom

keep it together

在困难时刻保持冷静
Meaning
to stay composed during difficult times
Example
Even after hearing the bad news, he managed to **keep it together**.
即使在听到坏消息后，他也能够保持冷静。
phrasal-verb

keep in

不允许某人出去；保持在里面
Meaning
to not allow someone to go out; to hold inside
Example
The teacher **kept in** the students after class for talking too much.
老师因为学生说太多话而把学生留在教室里。
phrasal-verb

keep calm

保持冷静，不生气或不烦恼
Meaning
to stay relaxed and not get angry or upset
Example
He tried to **keep calm** when everyone else was panicking.
当其他人都在恐慌时，他尽力保持冷静。
idiom

keep up with

保持与某事或某人相同的水平或保持知情
Meaning
to stay informed or at the same level as something or someone
Example
It's hard to **keep up with** the latest tech trends.
很难跟上最新的科技趋势。
phrasal-verb

keep improving

保持改善
Meaning
to continue making things better or more effective
Example
Our company culture encourages everyone to **keep improving**.
我们的公司文化鼓励每个人**保持改善**。
idiom

keep your eye on the ball

专注于你的目标
Meaning
to stay focused on your goal
Example
If you **keep your eye on the ball**, you’ll succeed.
如果你**专注于目标**，你就会成功。
idiom

Know something inside out

非常熟悉某事
Meaning
To know something very well
Example
She **knows the syllabus inside out**.
她非常熟悉这门课程。
phrasal-verb

keep up your hopes

保持相信一切会好转
Meaning
to stay confident that things will turn out well
Example
Even in difficult times, she managed to **keep up her hopes**.
即使在困难时刻，她也成功地**保持了她的希望**。
phrasal-verb

keep moving with purpose

带着明确的目标和动力继续前进
Meaning
to continue progressing with clear goals and motivation
Example
Stay focused and **keep moving with purpose** every day.
保持专注，每天都要带着目的继续前进。
idiom

Keep the team on track

确保团队保持专注和有组织
Meaning
to make sure the team remains focused and organized
Example
As the project manager, it's important to **keep the team on track**.
作为项目经理，确保 **保持团队在正轨上** 是非常重要的。
phrasal-verb

kick goals around

非正式地讨论可能的目标
Meaning
to discuss possible objectives informally
Example
We **kick goals around** during lunch before locking the roadmap.
我们在午餐时非正式地讨论可能的目标，然后锁定路线图。
idiom

keep all your eggs in one basket

依赖于单一的计划或成功的来源
Meaning
to rely on a single plan or source of success
Example
Don’t **keep all your eggs in one basket** when investing.
投资时不要把所有的鸡蛋放在一个篮子里。
phrasal-verb

knock off

在一天结束时停止工作
Meaning
to stop working at the end of the day
Example
Let’s **knock off** early today and grab dinner together.
今天我们早点结束工作，然后一起去吃晚餐。
phrasal-verb

keep striving

继续努力
Meaning
to continue trying hard to achieve something
Example
Even after success, a true professional keeps **striving** for excellence.
即使成功之后，真正的专业人士仍然在追求卓越。
idiom

keep your cool

在压力或挑衅下保持冷静
Meaning
to stay calm under stress or provocation
Example
Even in emergencies, he always **keeps his cool**.
即使在紧急情况下，他总是保持冷静。
idiom

keep tabs on

密切关注某人或某事
Meaning
to monitor someone or something closely
Example
I try to **keep tabs on** industry trends.
我尽量密切关注行业趋势。
phrasal-verb

kick off with

用某些特定的事物开始一项活动或事件
Meaning
to begin an event or activity with something specific
Example
The festival will **kick off with** a traditional dance performance.
节日将以传统舞蹈表演拉开序幕。
phrasal-verb

keep to

坚持某事，如规则或计划
Meaning
to stick to something such as a rule or plan
Example
Please **keep to** the schedule.
请遵守时间表。
idiom

Keep hope alive

继续相信一个积极的结果。
Meaning
To continue believing in a positive outcome.
Example
Even in hard times, we must **keep hope alive**.
即使在困难时刻，我们也必须**保持希望活着**。
idiom

Keep someone posted

让某人了解某事。
Meaning
To keep someone informed about something.
Example
Please **keep me posted** about any updates.
请**保持我更新**任何最新的进展。
idiom

kick around

非正式地讨论想法
Meaning
to discuss ideas informally
Example
We can **kick around** some concepts after lunch.
我们可以在午餐后讨论一些概念。
idiom

keep a straight face

在有趣的情况下避免笑出声
Meaning
to avoid laughing in a funny situation
Example
It was hard to **keep a straight face** during his silly speech.
在他愚蠢的演讲过程中，很难保持严肃的表情。
phrasal-verb

kick off innovation projects

启动创新项目
Meaning
to begin innovation initiatives
Example
The firm will **kick off innovation projects** next quarter.
公司将在下一个季度启动创新项目。
idiom

kill two birds with one stone

一箭双雕
Meaning
to succeed in achieving two things in a single action
Example
I can **kill two birds with one stone** by listening to a podcast while I exercise.
我可以 **一箭双雕**，一边听播客一边锻炼。
idiom

keep smiling

即使面对困难也保持愉快
Meaning
to stay cheerful even when facing difficulties
Example
Whatever happens, just **keep smiling**.
无论发生什么，保持微笑。
phrasal-verb

keep to oneself

不与他人分享思想或感受
Meaning
to not share thoughts or feelings with others
Example
He usually **keeps to himself** and doesn’t talk much.
他通常**保持沉默**，不太说话。
phrasal-verb

keep up morale

保持团队精神和积极的能量
Meaning
to maintain team spirit and positive energy
Example
The coach worked hard to **keep up morale** after the team’s loss.
教练在球队失利后努力**保持士气**。
phrasal-verb

keep on

重复做某事
Meaning
to continue doing something repeatedly
Example
She **kept on** talking even though nobody was listening.
她继续说话，尽管没人听她说话
idiom

keep the fire burning

保持火焰
Meaning
to stay motivated and passionate about something
Example
Even after failure, he managed to **keep the fire burning**.
即使失败后，他仍然能够保持火焰。
idiom

keep your eyes on the prize

尽管有困难，依然保持专注于目标
Meaning
to stay focused on your goal despite difficulties
Example
Even during tough times, she **kept her eyes on the prize**.
即使在困难时刻，她依然专注于自己的目标。
idiom

kick the bucket

死（非正式）
Meaning
to die (informal)
Example
He finally **kicked the bucket** after a long illness.
他终于在长时间的疾病后**去世了**。
idiom

keep your eye on the prize

尽管有障碍，仍然专注于你的目标
Meaning
to stay focused on your goal or objective despite obstacles
Example
Even though the road was tough, he always **kept his eye on the prize** and succeeded.
尽管路途艰难，他始终紧盯着目标并取得了成功。
phrasal-verb

keep from

防止自己或他人做某事
Meaning
to prevent oneself or someone from doing something
Example
I couldn’t **keep from** laughing when he told the joke.
我无法忍住笑，当他说笑话时。
idiom

keep one's head above water

在困难时期经济上生存
Meaning
to survive financially in difficult times
Example
Many small businesses struggle to **keep their heads above water**.
许多小企业挣扎着**保持生存**。
idiom

key into

密切关注或理解某个重要的事情
Meaning
to pay close attention to or understand something important
Example
Leaders must **key into** what customers value most.
领导者必须了解客户最看重的东西。
idiom

keep up with the times

保持更新或适应现代趋势
Meaning
to stay updated or adapt to modern trends
Example
In the fast-moving tech industry, companies must **keep up with the times**.
在快速发展的科技行业中，公司必须跟上时代的步伐。
idiom

keep things in perspective

通过现实地看待事物保持冷静
Meaning
to stay calm by seeing things realistically
Example
When stressed, try to **keep things in perspective**.
当感到压力时，试着**保持事情的视角**。
phrasal-verb

knock down

击打某人或某物并使其摔倒在地
Meaning
to hit someone or something and cause them to fall to the ground
Example
The car **knocked down** a cyclist on the busy road.
那辆车在繁忙的道路上撞倒了一名骑自行车的人
idiom

keep on keeping on

尽管面临挑战，仍然继续做某事
Meaning
to continue doing something despite challenges
Example
It’s tough, but you have to **keep on keeping on**.
这很困难，但你必须**继续下去**。
phrasal-verb

keep faith in yourself

继续相信自己的能力
Meaning
to continue believing in your own abilities
Example
No matter how tough it gets, **keep faith in yourself**.
无论多么困难，**保持对自己的信心**。
idiom

kick back

放松一下，暂时什么都不做
Meaning
to relax and do nothing for a while
Example
After finishing the project, we just **kicked back** and watched a movie.
完成项目后，我们就放松地看了一部电影。
idiom

keep someone’s word

做你承诺的事情
Meaning
to do what you promise to do
Example
You can trust him; he always **keeps his word**.
你可以信任他；他总是**信守承诺**。
idiom

keep your options open

推迟做出最终决定，以便保留选择
Meaning
to delay making a final decision so you have choices
Example
I’ll **keep my options open** until I hear back from all the universities.
我会**保持我的选择开放**，直到我收到所有大学的回复。
phrasal-verb

keep dreaming

即使在困难时也要继续保持希望和雄心
Meaning
to continue having hopes and ambitions even when things are difficult
Example
No matter what happens, **keep dreaming** big.
无论发生什么，都要继续保持大梦想。
phrasal-verb

keep your head high

即使面对批评或失败，仍然保持自信和骄傲
Meaning
to stay confident and proud even after facing criticism or failure
Example
No matter what happens, always **keep your head high**.
无论发生什么，始终保持自信昂首。
idiom

keep an eye on

小心地观察或监控某事或某人
Meaning
to watch or monitor something or someone carefully
Example
Can you **keep an eye on** the kids while I'm cooking?
你能在我做饭的时候**照看一下孩子们**吗？
phrasal-verb

keep the market afloat

防止市场崩溃或下降
Meaning
to prevent the market from collapsing or declining
Example
The stimulus package helped **keep the market afloat** during the crisis.
刺激计划帮助**保持市场漂浮**，在危机期间。
phrasal-verb

keep ahead

保持领先
Meaning
to remain in a leading or advantageous position
Example
The company invests in innovation to **keep ahead** of competitors.
公司在创新方面投资，以便保持领先于竞争对手。
phrasal-verb

knuckle under

接受某人的权威或屈服于压力
Meaning
to accept someone’s authority or give in to pressure
Example
He refused to **knuckle under** to his boss’s unfair demands.
他拒绝屈服于老板的不公平要求。
idiom

keep your chin up

在困难的情况下保持积极，并且不要失去希望
Meaning
to stay positive and not lose hope in difficult situations
Example
**Keep your chin up**; things will get better soon.
抬起头来；事情很快就会好起来。
idiom

kill someone with kindness

以额外的友善对待一个不愉快的人，以中和他们的负面情绪
Meaning
to be extra kind to someone unpleasant to neutralize their negativity
Example
The best way to deal with her is to **kill her with kindness**.
与她打交道的最佳方式是以**友善的态度对待她**。
idiom

keep someone's secret

保守别人告诉你的秘密
Meaning
to not tell others what someone has told you in confidence
Example
You can trust me—I’ll **keep your secret**.
你可以相信我——我会保守你的秘密。
idiom

keep your head in the game

保持精神集中并保持动力
Meaning
to stay mentally focused and motivated
Example
Even when things get tough, **keep your head in the game**.
即使事情变得困难，**保持专注在比赛中**。
idiom

keep in mind

记住一些重要的事情
Meaning
to remember something important
Example
**Keep in mind** that deadlines are strict.
记住，最后期限是严格的。
idiom

kick off

开始一个事件或活动
Meaning
to start an event or activity
Example
The workshop will **kick off** at 9 a.m. sharp.
研讨会将在上午9点准时开始。
phrasal-verb

keep after

不断提醒或鼓励某人做某事
Meaning
to remind or encourage someone to do something continuously
Example
Parents often **keep after** their children to do homework.
父母常常提醒他们的孩子做家庭作业。
phrasal-verb

kick start

快速有效地开始某事
Meaning
to start something quickly and effectively
Example
The new project aims to **kick start** rural economic growth.
新项目旨在快速启动农村经济增长。
idiom

Keep fighting the good fight

即使面临挑战，也要继续努力。
Meaning
Continue your efforts even when facing challenges.
Example
You may not see results yet, but **keep fighting the good fight**.
你可能还看不到结果，但**继续努力**。
idiom

kick up your heels

通过跳舞或庆祝来享受自己
Meaning
to enjoy yourself by dancing or celebrating
Example
Everyone was ready to **kick up their heels** at the reunion.
每个人都准备在聚会上尽情享受。
idiom

Keep the faith

继续相信事情会好转。
Meaning
Continue to believe that things will work out.
Example
Even in hard times, **keep the faith**.
即使在困难时期，**保持信念**。
idiom

keep a low profile

避免引起注意；保持冷静和不被注意
Meaning
to avoid attracting attention; to stay calm and unnoticed
Example
After the controversy, he decided to **keep a low profile**.
在争议之后，他决定保持低调。
idiom

knock it out of the park

做某事极其出色或成功
Meaning
to do something extremely well or successfully
Example
Her presentation **knocked it out of the park**.
她的演讲 **做得非常出色**。
idiom

kingmaker

一个在决定谁将拥有权力方面具有巨大影响力的人
Meaning
a person who has great influence in deciding who will hold power
Example
The media mogul became a **kingmaker** in national politics.
这位媒体大亨成为了国家政治中的一个**kingmaker**。
idiom

keep the home fires burning

在别人不在时维持幸福的家
Meaning
to maintain a happy home while others are away
Example
While her husband was abroad, she **kept the home fires burning**.
当她丈夫在国外时，她**保持了家的温暖**。
idiom

keep it under wraps

保密某事
Meaning
to keep something secret
Example
We’re trying to **keep it under wraps** until the official announcement.
我们正在努力保密，直到正式公告。
idiom

know the ropes

对某事非常熟悉；对某事有透彻理解
Meaning
to be very familiar with something; to have a thorough understanding of something
Example
He really **knows the ropes** in this field of work.
他在这个工作领域真的**非常熟悉**
phrasal-verb

keep at

继续做某事，决心坚定
Meaning
to continue doing something with determination
Example
If you **keep at** your practice, you’ll master it soon.
如果你继续练习，很快就能掌握它。
idiom

kick the habit

停止做坏事或有成瘾性的事情
Meaning
to stop doing something bad or addictive
Example
After ten years of smoking, he finally **kicked the habit**.
吸烟十年后，他终于戒掉了这个习惯。
idiom

knock around

花时间做随意的活动
Meaning
to spend time doing casual activities
Example
We’ll **knock around** the city after the workshop.
我们将在工作坊之后在城市里闲逛。
phrasal-verb

keep in touch with

与某人保持联系或沟通
Meaning
to maintain contact or communication with someone over time
Example
Even after graduation, they promised to **keep in touch with** each other.
即使毕业后，他们承诺要与彼此保持联系。
idiom

Keep an open mind

愿意考虑新的想法或意见。
Meaning
To be willing to consider new ideas or opinions.
Example
Try to **keep an open mind** when learning about different cultures.
在了解不同文化时，尝试保持**开放的心态**。
idiom

keep in touch

与某人保持沟通
Meaning
to maintain communication with someone
Example
Even after moving away, we **keep in touch** regularly.
即使搬走了，我们仍然保持定期**联系**。
phrasal-verb

kick oneself for

因为做或不做某事而感到愤怒或遗憾
Meaning
to feel angry or regretful for doing or not doing something
Example
I could **kick myself for** not taking that job opportunity.
我为没有抓住那个工作机会而懊悔。
phrasal-verb

keep your spirits up

在困难时保持愉快和充满希望
Meaning
to stay cheerful and hopeful in tough times
Example
Even during stress, try to **keep your spirits up**.
即使在压力下，也要尽力保持**愉快的心情**。
idiom

key in

使用键盘或数字键盘输入数据
Meaning
to enter data using a keyboard or keypad
Example
Please **key in** your code before the door locks.
请在门锁之前输入您的代码。
idiom

Keep going

尽管面临困难，仍然坚持下去。
Meaning
Continue with determination despite difficulties.
Example
You're doing great—just **keep going**!
你做得很好——继续加油！
phrasal-verb

keep away

保持距离；避免某物或某人
Meaning
to stay at a distance; to avoid something or someone
Example
You should **keep away** from junk food if you want to stay healthy.
如果你想保持健康，你应该远离垃圾食品。
idiom

knuckle down

开始努力工作，特别是在拖延之后
Meaning
to start working hard, especially after delaying
Example
It’s time to **knuckle down** and finish this report.
是时候**开始努力工作**并完成这份报告了。
phrasal-verb

keep reserves for

保存或保留资金以备将来使用或紧急情况
Meaning
to save or hold funds for future use or emergencies
Example
The central bank decided to **keep reserves for** potential market shocks.
中央银行决定为潜在的市场冲击保留储备资金。