Expression Cards: idiom
4001 cards available.
idiom
bite someone’s head off
理由もなく誰かに怒鳴る
Meaning
to speak angrily to someone without reason
Example
I just asked a question, no need to **bite my head off**!
idiom
bite the bullet
先延ばしにしていたり躊躇していた難しいことや不快なことをする決心をする
Meaning
to decide to do something difficult or unpleasant that one has been putting off or hesitating about
Example
I decided to **bite the bullet** and finish my homework.
idiom
bite the byte
難しい技術的な課題に対処する
Meaning
to deal with a difficult technological challenge
Example
Developers had to **bite the byte** to fix the software issue.
idiom
bite the dust
失敗するか敗北する
Meaning
to fail or be defeated
Example
Several small startups **bit the dust** last year.
idiom
bite your tongue
言いたいことを我慢して言わないようにする
Meaning
to stop yourself from saying something you want to say
Example
I had to **bite my tongue** when my boss took credit for my work.
idiom
black and blue
打撲傷; 傷跡がある
Meaning
bruised; having marks from injury
Example
He was **black and blue** after falling off his bike.
idiom
black and white
明確に定義されている；混乱や曖昧さがない
Meaning
clearly defined; without confusion or ambiguity
Example
The contract terms are **black and white**.
idiom
black box
仕組みが理解されていない、または透明でないシステムやプロセス
Meaning
a system or process whose workings are not understood or transparent
Example
The neural network is often described as a **black box** because its decision-making process is not fully transparent.
idiom
black box problem
AIシステムの内部の仕組みが透明でない、または理解できない状況
Meaning
a situation where the internal workings of an AI system are not transparent or understood
Example
The biggest challenge in deep learning is the **black box problem**.
idiom
black box thinking
ブラックボックス思考：入力と出力を研究することで、未知のプロセスを分析する
Meaning
analyzing unknown processes by studying their inputs and outputs
Example
In AI research, **black box thinking** helps improve transparency.
idiom
black hat
悪意のある意図を持ったハッカー
Meaning
a hacker with malicious intent
Example
**Black hats** often exploit vulnerabilities for personal gain.
idiom
black hole
物事が説明なしで消えるか、失われる状況
Meaning
a situation where things disappear or are lost without explanation
Example
All the research data went into a **black hole** after the server crash.
idiom
black sheep
グループや家族にとって恥となる人物
Meaning
a person who is considered a disgrace to a group or family
Example
He is the **black sheep** of the family.
idiom
black sheep of the family
恥ずかしいと見なされる家族の一員
Meaning
a family member who is considered a disgrace
Example
He became the **black sheep of the family** after his bad decisions.
idiom
blackout
一時的に意識を失う
Meaning
to lose consciousness temporarily
Example
He suddenly **blacked out** during the match.
idiom
blank mind
頭が真っ白になって何も思い出せない
Meaning
unable to think clearly or remember something
Example
During the exam, my **mind went blank**.
idiom
blast off
大きなエネルギーや熱意で始める
Meaning
to take off or start with great energy or enthusiasm
Example
The project is ready to **blast off** next week.
idiom
blaze a trail
革新的なことを最初に行うこと
Meaning
to be the first to do something innovative
Example
She **blazed a trail** in renewable energy research.
idiom
blind date
これまで会ったことのない二人の間のロマンチックな出会い
Meaning
a romantic meeting between two people who have never met before
Example
She met her boyfriend on a **blind date**.
idiom
blind experiment
偏見を避けるために参加者が特定の情報を知らない状態で行われるテスト
Meaning
a test conducted without participants knowing certain information to prevent bias
Example
The scientists conducted a **blind experiment** to ensure accuracy.
idiom
blind faith
質問なしに信じる
Meaning
trusting without questioning
Example
Having **blind faith** can sometimes lead to disappointment.
idiom
blind justice
外部の要因に影響されない公平な正義
Meaning
justice that is impartial and not influenced by external factors
Example
**Blind justice** treats everyone the same, regardless of wealth or status.
idiom
block off
人々が入れないようにエリアを閉鎖する
Meaning
to close an area so people cannot enter
Example
Police **blocked off** the street after the accident.
idiom
block out
気を散らすものや不快な考えを無視する
Meaning
to ignore distractions or unpleasant thoughts
Example
She tried to **block out** the noise and continue working.