Expression Cards
803 cards available.
phrasal-verb
back something up to
创建数据副本并将其存储在另一个地方
Meaning
to make a copy of data and store it in another place
Example
You should **back your files up to** an external hard drive regularly.
idiom
back to square one
重新开始
Meaning
to start over again
Example
After the computer crashed, I had to go **back to square one** with my report.
idiom
back to the drawing board
在失败后重新开始
Meaning
to start over again after a failure
Example
Our proposal was rejected, so it's **back to the drawing board**.
idiom
back up
支持或备份重要数据
Meaning
to support or to make a copy of important data
Example
Can you **back up** my explanation during the meeting?
phrasal-verb
back up data
为了防止数据丢失而制作数据的副本
Meaning
to make a copy of data to prevent loss
Example
It’s important to regularly **back up data** on your computer.
phrasal-verb
back up data to
将信息复制到安全的位置
Meaning
to copy information onto a safe location
Example
Reporters **back up data to** the cloud after each story.
phrasal-verb
back up ideas
支持或捍卫某人的想法或意见
Meaning
to support or defend someone’s ideas or opinions
Example
During the discussion, teammates **backed up** each other's ideas confidently.
phrasal-verb
back up initiatives
为新项目提供支持或资源
Meaning
to provide support or resources for new projects
Example
Global organizations **back up initiatives** that promote equality.
phrasal-verb
back up investment
通过资金支持财务或商业计划
Meaning
to support financial or business initiatives with funding
Example
Private investors **backed up investment** in green energy projects.
phrasal-verb
back up with
用证据或例子来支持
Meaning
to support with evidence or examples
Example
You should **back up** your claims **with** reliable data.
phrasal-verb
back up with evidence
通过证据或事实支持一个声明或陈述
Meaning
to support a claim or statement using proof or facts
Example
You should always **back up** your accusations **with evidence**.
phrasal-verb
back yourself up
相信自己的能力或决定
Meaning
to have faith in your own ability or decision
Example
You have to **back yourself up** if you want others to trust you.
idiom
backdoor
一种未记录的访问系统或软件的方式，通常由黑客用来绕过安全防护。
Meaning
An undocumented way of accessing a system or software, usually used by hackers to bypass security.
Example
The attacker installed a **backdoor** to access the system at any time without being detected.
idiom
backdoor access
一种秘密或未经授权的方式访问系统或信息
Meaning
a secret or unauthorized way to access a system or information
Example
Hackers found a **backdoor access** to the company’s database.
idiom
backdoor entry
一种秘密或非官方的方式进入某物
Meaning
a secret or unofficial way to access something
Example
Hackers found a **backdoor entry** into the company’s database.
idiom
backpropagation
一种用于神经网络的学习算法，通过调整网络中的权重来最小化错误
Meaning
a learning algorithm used in neural networks to minimize error by adjusting weights through the network
Example
The **backpropagation** algorithm helps in optimizing the neural network's performance.
idiom
backroom deal
由有权势的人达成的秘密协议
Meaning
a secret agreement made by powerful people
Example
The media exposed the **backroom deal** between the two parties.
idiom
backseat driver
给出不必要的建议或方向的人
Meaning
a person who gives unwanted advice or direction
Example
Don't be a **backseat driver**, let me handle it.
phrasal-verb
backtrack on
撤回或撤回先前的声明或承诺
Meaning
to reverse or withdraw from an earlier statement or promise
Example
The spokesperson **backtracked on** the claim once the data was checked.
idiom
bad blood
家庭成员之间的愤怒或怨恨
Meaning
anger or resentment between family members
Example
There’s still **bad blood** between the cousins after the inheritance issue.
idiom
bad luck
不幸或运气差的情况
Meaning
unfortunate or unlucky situation
Example
It’s just **bad luck** that it rained on our picnic day.
idiom
bag of bones
一个非常瘦的人
Meaning
a very thin person
Example
After his illness, he turned into a **bag of bones**.
idiom
bail on
突然抛弃某人或某事
Meaning
to abandon someone or something suddenly
Example
He wouldn’t **bail on** his friends at the last minute.
idiom
bail out
支付保释金后将某人从监狱释放
Meaning
to release someone from jail after paying bail money
Example
His family managed to **bail him out** after two days.