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.