fend off
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idiom

fend off

抵御某事或某人
Meaning
to defend against something or someone
Example
They installed lights to **fend off** raccoons in the yard.
他们安装了灯来驱赶院子里的浣熊。
idiom

Flash in the pan

显示潜力但很快失败的事物
Meaning
Something that shows potential but fails quickly
Example
His first success was just a **flash in the pan**.
他的第一次成功只是昙花一现。
phrasal-verb

follow through on vision

继续努力，直到目标或计划完全实现
Meaning
to continue efforts until a goal or plan is fully achieved
Example
Great leaders **follow through on vision** with persistence and dedication.
伟大的领导者**跟进愿景**，以坚持和奉献精神。
phrasal-verb

fall in line

遵循一个小组的规则或决定
Meaning
to follow the rules or decisions of a group
Example
New members quickly **fall in line** with the team’s culture.
新成员迅速适应团队文化。
idiom

Fair enough

用于表示你理解或接受某人的观点
Meaning
Used to show you understand or accept someone’s point
Example
‘We can’t afford it now.’ ‘**Fair enough**, maybe later.’
“我们现在负担不起。” “好吧，也许以后吧。”
idiom

face a system error

经历突然的故障或崩溃
Meaning
to experience a sudden failure or breakdown
Example
Our plans **faced a system error** when the deal was canceled.
当交易被取消时，我们的计划**遇到了系统错误**。
phrasal-verb

fall behind on

未能按时或按计划做某事
Meaning
to fail to do something on time or as planned
Example
He **fell behind on** his rent payments last month.
上个月他在租金支付上**落后了**。
phrasal-verb

freeze over

当水由于低温而变成冰
Meaning
when water turns into ice due to cold temperature
Example
The lake **froze over** completely during the winter.
湖泊在冬季完全结冰。
phrasal-verb

fade in

在场景开始时逐渐变得可见
Meaning
to gradually become visible at the beginning of a scene
Example
The movie **fades in** with a beautiful sunrise.
电影以美丽的日出开始。
idiom

face your fears

面对让你害怕的事情
Meaning
to confront something that scares you
Example
You need to **face your fears** if you want to grow as a person.
如果你想作为一个人发展，你需要面对你的恐惧。
idiom

Fall down seven times, stand up eight

无论失败多少次，继续尝试。
Meaning
Keep trying no matter how many times you fail.
Example
**Fall down seven times, stand up eight** — that’s the spirit of success.
‘跌倒七次，站起来八次’ — 这就是成功的精神。
idiom

Follow your nose

相信你的直觉，走你认为对的方向。
Meaning
Trust your instincts and go in the direction that feels right.
Example
If you're lost, just **follow your nose** and you'll find the way.
如果你迷路了，只需 **跟着你的鼻子走**，你就会找到路。
idiom

fly off the handle

以非常生气的方式反应，毫不思考
Meaning
to react in a very angry way without thinking
Example
He **flew off the handle** when someone scratched his new car.
当有人刮擦他的汽车时，他**飞出手柄**。
phrasal-verb

finish off

完成某事的最后部分
Meaning
to complete the last part of something
Example
We just need to **finish off** the presentation slides before submitting the report.
我们只需要在提交报告之前完成演示文稿的幻灯片。
idiom

fit as a fiddle

身体非常健康
Meaning
in very good health
Example
My grandfather is 80 but he’s **fit as a fiddle**.
我爷爷八十岁了，但他身体非常健康。
phrasal-verb

find peace with

接受某种痛苦并停止为此烦恼
Meaning
to accept something painful and stop being upset about it
Example
In time, she **found peace with** her past mistakes.
随着时间的推移，她与过去的错误达成了和平。
idiom

from the ground up

从头开始完全构建或启动某事
Meaning
to build or start something completely from the beginning
Example
The software was built **from the ground up** using new code.
该软件是使用新代码从头开始开发的。
phrasal-verb

fall into

开始做某事；陷入困境
Meaning
to begin doing something; to be caught in a situation
Example
She **fell into** bad habits during the lockdown.
她在封锁期间**陷入了**坏习惯。
phrasal-verb

focus on strengths

集中精力在你的优点和能力上
Meaning
to concentrate on your positive qualities and abilities
Example
Try to **focus on strengths** instead of weaknesses.
试着专注于**你的优势**而不是弱点。
idiom

fall out with

与某人争吵或不再是朋友
Meaning
to argue or stop being friends with someone
Example
They **fell out with** each other over money.
他们因为钱 **闹翻了**。
phrasal-verb

find with

通过检查或与某人关联来发现某物
Meaning
to discover something by examining or associating with someone
Example
They **found with** her a bag full of letters.
他们与她一起找到了一个装满信的袋子。
phrasal-verb

fill your mind with peace

将你的思绪集中在平静和积极的感受上
Meaning
to focus your thoughts on calm and positive feelings
Example
Meditation helps you **fill your mind with peace**.
冥想帮助你**让你的心灵充满平静**。
idiom

flag up

引起对重要事情的注意
Meaning
to draw attention to something important
Example
The auditor will **flag up** any unusual expenses.
审计员会 **标出**任何不寻常的支出。
idiom

fake news

作为新闻呈现的虚假或误导信息
Meaning
false or misleading information presented as news
Example
Be careful not to believe in **fake news** spread on social media.
小心不要相信社交媒体上传播的**假新闻**。
phrasal-verb

find common ground with

找到共同利益，以便更容易合作
Meaning
to identify shared interests so cooperation is easier
Example
Negotiators **find common ground with** each side before drafting terms.
谈判人员在起草条款之前，与各方找到共同点。
idiom

feel it in one's bones

对某事有强烈的感觉或直觉
Meaning
to have a strong feeling or intuition about something
Example
I **feel it in my bones** that something bad is going to happen.
我感觉到骨子里某些不好的事情即将发生。
phrasal-verb

flow with

随着情感或情况自然地流动，而不是抵抗它们
Meaning
to move along naturally with emotions or situations instead of resisting them
Example
She learned to **flow with** her emotions rather than fight them.
她学会了随着情感流动，而不是抵抗它们
phrasal-verb

fight for

为实现某事而斗争或采取行动
Meaning
to struggle or take action to achieve something
Example
Many activists **fight for** freedom and equality.
许多活动家为自由和平等而斗争。
phrasal-verb

find along

在移动或旅行中发现或遇到某物
Meaning
to discover or encounter something while moving or traveling
Example
We **found along** a beautiful lake on our way to the hills.
我们在前往山丘的路上发现了一个美丽的湖泊。
phrasal-verb

fall back into

回到以前的状态或习惯
Meaning
to return to a previous state or habit
Example
He **fell back into** his old routine after the vacation.
他在度假后**又回到了**以前的例行公事。
idiom

feeling blue

感到悲伤或沮丧
Meaning
to feel sad or depressed
Example
She’s been **feeling blue** all day.
她整天都很伤心。
idiom

fly by the seat of your pants

做事不做计划，只凭直觉和经验
Meaning
to do something without planning, using only instinct and experience
Example
We didn't have a map, so we **flew by the seat of our pants**.
我们没有地图，所以我们凭直觉行动。
phrasal-verb

fall back into friendship

在冲突后自然地再次成为朋友
Meaning
to become friends again naturally after a conflict
Example
After a few months, they **fell back into friendship** as if nothing happened.
几个月后，他们**回到了友谊中**，就像什么都没发生过一样。
idiom

find your balance

保持健康的工作和生活平衡
Meaning
to maintain a healthy work-life equilibrium
Example
It’s important to **find your balance** between work and rest.
在工作和休息之间找到平衡非常重要。
idiom

freak out

变得非常焦虑、生气或害怕
Meaning
to become very anxious, upset, or scared
Example
She **freaked out** when she saw the spider.
她看到蜘蛛时吓坏了。
phrasal-verb

float away stress

想象你的压力像漂浮的东西一样消失
Meaning
to imagine your stress disappearing like something drifting away
Example
Visualize your worries and let them **float away** like clouds.
想象你的烦恼并让它们像云一样**漂浮远**。
phrasal-verb

freeze up

由于寒冷而冻结或停止工作
Meaning
to become frozen or stop working due to cold
Example
The pipes might **freeze up** if the temperature drops too low.
如果温度降得太低，管道可能会**冻结**。
phrasal-verb

feel sorry for

为某人或自己感到遗憾或同情
Meaning
to pity or sympathize with someone or yourself
Example
I **feel sorry for** what I did to you.
我为我对你做的事感到遗憾。
phrasal-verb

follow through with receipts

通过附加证据完成费用报告
Meaning
to complete expense reports by attaching proof
Example
Please **follow through with receipts** within two business days.
请在两个工作日内通过收据完成此事。
phrasal-verb

freak over

对某事变得非常焦虑或不安
Meaning
to become very anxious or upset about something
Example
He **freaked over** the missed deadline and couldn’t focus on anything else.
他因为错过了最后期限而非常焦虑，无法集中精力做其他事情。
phrasal-verb

find out about

了解有关某事的具体信息或细节
Meaning
to learn specific information or details regarding something
Example
I need to **find out about** the new insurance policy.
我需要**了解**新保险政策的相关信息。
idiom

fingers crossed

希望好运或好的结果
Meaning
hoping for good luck or a good result
Example
I have my **fingers crossed** for your exam results.
我为你的考试结果祈祷。
idiom

feel the strain

因困难的情况感受到压力或压力
Meaning
to feel stress or pressure from a difficult situation
Example
Many employees are starting to **feel the strain** of the workload.
许多员工开始感受到工作负荷的压力。
phrasal-verb

foster cooperation

鼓励和发展国家之间的相互帮助或团队合作
Meaning
to encourage and develop mutual assistance or teamwork between nations
Example
The UN's goal is to **foster cooperation** among its members.
联合国的目标是促进其成员之间的合作。
phrasal-verb

fight back

尝试控制或抵抗强烈的情绪
Meaning
to try to control or resist strong emotions
Example
He **fought back** his tears during the farewell speech.
他在告别演讲中**抑制**住了自己的眼泪。
idiom

find common ground

找到共同的兴趣或协议
Meaning
to find shared interests or agreement
Example
We must **find common ground** to resolve this conflict.
我们必须找到共同点来解决这个冲突。
idiom

fail fast, learn faster

快速识别错误并将其用作学习机会
Meaning
to quickly identify mistakes and use them as learning opportunities
Example
In startup culture, it’s encouraged to **fail fast, learn faster**.
在初创公司文化中，鼓励**失败快，学习更快**。
idiom

faint-hearted

缺乏勇气或决心
Meaning
lacking courage or determination
Example
Climbing this mountain is not for the **faint-hearted**.
爬这座山不是给胆小的人。
phrasal-verb

fill someone in

向某人提供关于某事的详细信息或最新信息
Meaning
to give someone the details or latest information about something
Example
Can you **fill me in** on what happened at the client meeting?
你能**告诉我**在客户会议上发生了什么吗？
idiom

feel on top of things

感觉积极并掌控自己的生活
Meaning
feeling positive and in control of your life
Example
After organizing her tasks, she felt **on top of things**.
在整理完任务后，她感到 **掌控一切**。
idiom

feel the pinch

有经济困难；感到缺钱
Meaning
to have financial difficulties; to feel short of money
Example
With rising prices, many families are starting to **feel the pinch**.
随着物价上涨，许多家庭开始感到经济紧张。
idiom

Fuel the economy

刺激经济增长。
Meaning
To stimulate economic growth.
Example
Government spending can **fuel the economy** during a recession.
政府开支可以在衰退期间**刺激经济**。
phrasal-verb

forward to

将收到的消息转发给另一个人
Meaning
to send a received message to another person
Example
Can you **forward** this message **to** the manager?
你能把这个消息转发给经理吗？
idiom

forbidden fruit

吸引人但不允许或道德上错误的东西
Meaning
something attractive but not allowed or morally wrong
Example
For teenagers, breaking rules often feels like **forbidden fruit**.
对于青少年来说，打破规则常常像是**禁果**。
idiom

full of confidence

对自己充满信心
Meaning
feeling very sure of yourself
Example
He walked into the interview room **full of confidence**.
他满怀信心地走进了面试室。
idiom

farm out

将工作交给别人做
Meaning
to give work to someone else to do
Example
The company decided to **farm out** its design work.
公司决定将其设计工作外包。
idiom

fight fire with fire

以其人之道还治其人之身
Meaning
to use the same tactics as one’s opponent
Example
When negotiations failed, they decided to **fight fire with fire**.
当谈判失败时，他们决定以其人之道还治其人之身。
phrasal-verb

follow through on decisions

继续进行一项行动，直到完成
Meaning
to continue with an action until it is completed
Example
Leaders must always follow through on their promises.
领导人必须始终兑现他们的承诺。
idiom

feeling on top of the world

感到非常高兴或成功
Meaning
feeling extremely happy or successful
Example
After getting the job, I was **on top of the world**.
得到工作后，我感到自己在世界之巅。
phrasal-verb

factor into

在您的计算或对未来的预测中包括某些内容
Meaning
to include something in your calculations or predictions about the future
Example
We must **factor into** our plans the possible rise in inflation.
我们必须**因子进入**我们的计划，考虑到可能的通货膨胀上涨。
phrasal-verb

follow back

关注已关注你的人
Meaning
to follow someone who has followed you
Example
She didn’t **follow back** even though I followed her first.
尽管我先关注了她，她没有回关我。
idiom

for what it’s worth

用于提出一个可能有用也可能无用的观点
Meaning
used to introduce an opinion that may or may not be useful
Example
**For what it’s worth**, I think you did the right thing.
就我所知，我认为你做得对。
idiom

feel ten feet tall

感到非常自豪和自信
Meaning
to feel very proud and confident
Example
He **felt ten feet tall** after completing the challenge.
他完成挑战后感到非常自豪。
idiom

Fortune favors the bold

那些敢于冒险的人更有可能成功。
Meaning
Those who take risks are more likely to be successful.
Example
Remember, **fortune favors the bold**, so don’t be afraid to invest in new opportunities.
记住，**勇敢者得福**，所以不要害怕投资于新的机会。
idiom

feel blue

感到悲伤或沮丧
Meaning
to feel sad or depressed
Example
I always **feel blue** on rainy days.
在雨天，我总是感到沮丧。
idiom

feel comfortable in your own skin

对自己感到自信和放松
Meaning
to be confident and relaxed about who you are
Example
She finally **feels comfortable in her own skin**.
她终于**在自己的皮肤中感到舒适**。
idiom

fall in with

加入或同意一个小组或计划
Meaning
to join or agree with a group or plan
Example
She decided to **fall in with** the volunteer crew for the weekend.
她决定加入志愿者团队度过周末。
phrasal-verb

fill in for someone

临时代替某人的工作
Meaning
to do someone’s job temporarily
Example
I had to **fill in for** my colleague while he was on leave.
我不得不在我的同事休假期间**替代**他。
phrasal-verb

flip out

极度惊讶、愤怒或激动地反应
Meaning
to react with extreme surprise, anger, or excitement
Example
He **flipped out** when he saw the mess in his room.
当他看到房间里的混乱时，他完全失控了。
phrasal-verb

freak about

因某事变得非常焦虑或烦躁
Meaning
to become very anxious or upset about something
Example
She **freaked about** the upcoming interview.
她因为即将到来的面试而非常焦虑。
idiom

fight your demons

勇敢地面对你的恐惧或不愉快的回忆
Meaning
to deal with your fears or bad memories courageously
Example
He’s learning to **fight his demons** from the past.
他正在学习如何**与过去的恶魔作斗争**。
idiom

fail to plan is plan to fail

没有适当的计划，失败是不可避免的
Meaning
without proper planning, failure is inevitable
Example
**Failing to plan is planning to fail**, so prepare early.
失败就是计划失败，因此要提前准备。
phrasal-verb

focus forward

专注于未来的目标，而不是过去的错误
Meaning
to concentrate on future goals instead of past mistakes
Example
You should **focus forward** instead of worrying about what went wrong.
你应该**focus forward**，而不是担心过去发生的事情。
phrasal-verb

fess up

承认或坦白一些尴尬或错误的事情
Meaning
to confess or admit something embarrassing or wrong
Example
It’s time to **fess up** and tell the truth about what happened.
是时候**承认**并讲述发生了什么事。
idiom

fall through the cracks

被忽视或忽略
Meaning
to be overlooked or neglected
Example
I forgot to follow up on his application and it **fell through the cracks**.
我忘了跟进他的申请，结果它**被忽略了**。
phrasal-verb

flatten out

停止增加或减少，并保持在同一水平
Meaning
to stop increasing or decreasing and stay at the same level
Example
After years of fluctuation, growth has **flattened out**.
经过多年的波动后，增长已经**平稳**。
idiom

flag down

示意某人停下，尤其是交通工具
Meaning
to signal someone to stop, especially a vehicle
Example
We finally **flagged down** a taxi after ten minutes.
我们终于在十分钟后拦住了一辆出租车。
phrasal-verb

fall through on

未能发生或完成，特别是交易或计划
Meaning
to fail to happen or be completed, especially a deal or plan
Example
Several merger talks **fell through on** due to the unstable economy.
由于不稳定的经济，几次并购谈判**失败了**。
phrasal-verb

fill up

吃足够的食物让你感到饱
Meaning
to eat enough food so that you are full
Example
That soup really **filled me up**.
那汤真的 **让我吃饱了**
phrasal-verb

filter in calmness

逐渐将平静或冷静带入你的心灵
Meaning
to gradually bring peace or calm into your mind
Example
Meditation helps **filter in calmness** during stress.
冥想有助于在压力中**带来平静**。
phrasal-verb

face up to challenges

勇敢自信地面对困难
Meaning
to confront difficulties with courage and confidence
Example
You’ll grow stronger when you **face up to challenges** instead of avoiding them.
當你面對挑戰而不是逃避時，你會變得更強大。
idiom

full of oneself

过于骄傲或自信
Meaning
to be overly proud or self-confident
Example
He’s so **full of himself** after getting that promotion.
他在获得晋升后变得如此**自大**。
phrasal-verb

forecast for

预测未来某个特定时间将会发生的事情
Meaning
to predict what will happen at a particular time in the future
Example
Experts **forecast for** heavy rainfall next month due to climate change.
专家们预测由于气候变化，下个月将有强降雨。
idiom

fill in for

暂时替代某人工作
Meaning
to do someone’s job temporarily
Example
Can you **fill in for** Rosa while she’s on leave?
你能在 Rosa 休假时替她工作吗？
idiom

fall back on

当第一个选项失败时依赖于某事
Meaning
to rely on something when the first option fails
Example
If the deal falls through, we’ll **fall back on** our backup plan.
如果交易失败，我们将依赖我们的备份计划。
phrasal-verb

follow up with clients

在初次会议或沟通后再次联系某人
Meaning
to contact someone again after an initial meeting or communication
Example
Don’t forget to **follow up with clients** after sending the proposal.
发送提案后，别忘了**跟进客户**
idiom

fade to black

以戏剧性方式结束某事
Meaning
to end something dramatically
Example
The director chose to **fade to black** at the emotional climax.
导演在情感高潮时选择了 **fade to black**。
phrasal-verb

fill in

提供缺失的信息；临时替代某人
Meaning
to provide missing information; to substitute for someone temporarily
Example
Can you **fill in** for me at the meeting tomorrow?
你能在明天的会议上**fill in**吗？
phrasal-verb

forgive for

停止因某事对某人感到愤怒或怨恨
Meaning
to stop feeling angry or resentful toward someone for something
Example
She **forgave him for** lying to her.
她因为他撒谎而原谅了他。
phrasal-verb

flare up

突然变得愤怒或暴力
Meaning
to suddenly become angry or violent
Example
Their argument **flared up** again during dinner.
他们的争论在晚餐时**爆发**了。
phrasal-verb

find over to

将注意力或焦点转移到新的事物上
Meaning
to move or transfer attention or focus to something new
Example
She quickly **found over to** another topic when things got awkward.
当事情变得尴尬时，她迅速转移到另一个话题。
idiom

foot the bill

为某物支付费用，尤其是昂贵的东西
Meaning
to pay for something, especially something expensive
Example
His father will **foot the bill** for the wedding.
他的父亲会为婚礼支付费用。
idiom

face the consequences

接受你行为的结果，不论是好是坏
Meaning
to accept the results of your actions, whether good or bad
Example
You will have to **face the consequences** of your actions.
你将不得不面对你行为的后果。
phrasal-verb

figure on

计划或期望某事发生
Meaning
to plan or expect something to happen
Example
They **figured on** launching the product by next quarter.
他们**打算**在下个季度推出产品。
idiom

fly high

非常成功或快乐
Meaning
to be very successful or happy
Example
After winning the award, she’s been **flying high**.
赢得奖项后，她一直非常高兴。
phrasal-verb

feel bad about

对某事感到抱歉或后悔
Meaning
to feel sorry or regretful about something
Example
I really **feel bad about** what happened.
我真的对发生的事情**感到抱歉**。
phrasal-verb

feel torn about

对选择或决定感到矛盾或后悔
Meaning
to feel conflicted or regretful about a choice or decision
Example
I **feel torn about** leaving my hometown for work.
我对离开家乡去工作感到很矛盾。
phrasal-verb

foster in

在某人或某个团体内促进某个品质或思想的发展
Meaning
to promote the development of a quality or idea within someone or a group
Example
The program aims to **foster in** participants a sense of responsibility.
该项目旨在培养参与者的责任感。
B1 idiom

fish out of water

感到不舒服或不合时宜的人
Meaning
Someone who feels uncomfortable or out of place
Example
At the formal party, the casual dresser felt like a fish out of water.
在正式的聚会上，那个穿着随意的人感到格格不入。
idiom

follow your heart

根据你的感受做出决定
Meaning
to make a decision based on your feelings
Example
When choosing a career, it’s best to **follow your heart**.
选择职业时，最好**跟随你的心**。
phrasal-verb

find in

在某人或某物中看到或识别出一种特质或特点
Meaning
to see or recognize a quality or feature in someone or something
Example
She **finds in** him a true friend she can trust.
她在他身上找到了一个可以信任的真正朋友。
phrasal-verb

fit in with

与某事物一致或适合某事物
Meaning
to agree with or be suitable for something
Example
Her views **fit in with** the rest of the team.
她的观点**与**团队其他成员**契合**。
phrasal-verb

follow a routine

定期做相同的活动
Meaning
to do the same set of activities regularly
Example
If you **follow a routine**, you’ll build good habits over time.
如果你**遵循一个例行公事**，你会随着时间建立良好的习惯。
phrasal-verb

fall into recession

陷入衰退
Meaning
to enter a period of economic decline
Example
The global economy may **fall into recession** if inflation continues to rise.
如果通货膨胀继续上升，全球经济可能会陷入衰退。
phrasal-verb

fill in gaps

完成理解或知识中缺失的部分
Meaning
to complete missing parts of understanding or knowledge
Example
Teachers help students **fill in gaps** in their learning.
老师帮助学生**填补学习中的空白**。
idiom

Frankenstein’s monster

一个反抗其创造者的创造物。
Meaning
A creation that turns against its creator.
Example
Social media became a **Frankenstein’s monster** for its inventors.
社交媒体成了它的发明者的弗兰肯斯坦怪物。
phrasal-verb

fire back at

愤怒或防守地回应批评
Meaning
to respond angrily or defensively to criticism
Example
The minister **fired back at** the accusations with strong evidence.
部长用有力的证据**反驳了**指控。
phrasal-verb

filter through emails

浏览许多电子邮件并找到相关的
Meaning
to go through many emails and find the relevant ones
Example
I spent an hour **filtering through emails** this morning.
今天早上我花了一个小时 **筛选电子邮件**。
phrasal-verb

fit into society

在新的社会环境中被接受或感到舒适
Meaning
to become accepted or comfortable within a new social environment
Example
Newcomers often struggle to **fit into society** when they move abroad.
新移民在搬到国外时常常很难**融入社会**。
phrasal-verb

find out

发现信息
Meaning
to discover information
Example
I need to **find out** what time the meeting starts.
我需要**找出**会议开始的时间。
phrasal-verb

follow around

密切陪伴某人，通常是为了观察或学习
Meaning
to accompany someone closely, often to observe or learn
Example
New employees **follow around** seniors to learn how things work.
新员工跟着老员工学习事情是如何运作的。
idiom

fall on deaf ears

当建议或投诉被忽视时
Meaning
when advice or complaints are ignored
Example
His apology **fell on deaf ears**.
他的道歉**落入耳朵里**。
phrasal-verb

fill up on

吃大量某种食物以至于不再对其他食物感兴趣
Meaning
to eat a lot of one type of food so you are not hungry for other food
Example
Don’t **fill up on** snacks before dinner.
晚餐前不要吃太多零食。
idiom

free up

腾出时间、金钱或空间
Meaning
to make time, money, or space available
Example
Clearing old files will **free up** storage on the drive.
清理旧文件将**释放**硬盘上的存储空间。
idiom

Flying blind

在没有足够的信息或指导下采取行动。
Meaning
To act without sufficient information or guidance.
Example
Without proper data, we're **flying blind** on this project.
没有适当的数据，我们在这个项目中**盲目进行**。
phrasal-verb

fall behind schedule

进展比计划的慢
Meaning
to not be progressing as quickly as planned
Example
Construction has **fallen behind schedule** due to bad weather.
由于恶劣天气，建设工作**落后于计划**。
phrasal-verb

flag wins publicly

在别人面前承认成就
Meaning
to acknowledge achievements in front of others
Example
Managers **flag wins publicly** to keep motivation high.
经理们**旗帜公开获胜**，以保持高涨的士气。
idiom

fall head over heels

深深地坠入爱河
Meaning
to fall deeply in love
Example
He **fell head over heels** in love with her the moment they met.
他一见钟情，在他们第一次见面时就深深地爱上了她。
phrasal-verb

follow on from

发生或从之前做过的事情中得到结果
Meaning
to happen or result from something that was done earlier
Example
This report **follows on from** our last quarter’s findings.
这份报告**跟进**了我们上个季度的发现。
idiom

fearless as a lion

非常勇敢和大胆
Meaning
to be very brave and bold
Example
The firefighter was **fearless as a lion** during the rescue.
消防员在营救过程中是**fearless as a lion**。
phrasal-verb

flag for review

标记某物以便仔细检查
Meaning
to mark something so it will be checked carefully
Example
Moderators **flag for review** any suspicious training data.
版主**flag for review**任何可疑的训练数据。