Expression Cards
803 cards available.
idiom
beyond your wildest dreams
想像を超えるほど素晴らしいまたは驚くべき
Meaning
better or more amazing than imagined
Example
Her success was **beyond her wildest dreams**.
idiom
Bide one’s time
適切な機会を待つこと。
Meaning
To wait patiently for the right opportunity.
Example
She decided to **bide her time** before making a move.
idiom
bide your time
好機を辛抱強く待つ
Meaning
to wait patiently for the right moment
Example
She decided to **bide her time** before making a move.
idiom
big brother
年上の兄弟や、保護的に振る舞う誰か
Meaning
an older brother or someone who behaves protectively
Example
Mark acts like a **big brother** to everyone in the neighborhood.
idiom
big data
計算的に解析することでパターン、傾向、関連性を明らかにすることができる非常に大きなデータセット。
Meaning
Extremely large data sets that may be analyzed computationally to reveal patterns, trends, and associations.
Example
The company uses **big data** to improve customer experience.
idiom
Big fish in a small pond
小さな組織や地域で重要な人。
Meaning
An important person in a small organization or area.
Example
He prefers being a **big fish in a small pond** rather than competing globally.
idiom
big mouth
話しすぎる人や秘密を漏らす人
Meaning
someone who talks too much or reveals secrets
Example
Don’t tell him anything — he’s got a **big mouth**.
idiom
big picture
全体的な視点または状況
Meaning
the overall perspective or situation
Example
Producers always try to see the **big picture** before making changes.
idiom
big thanks
とても感謝する非公式な方法
Meaning
an informal way to say thank you very much
Example
**Big thanks** to everyone who supported the project.
idiom
big-hearted
とても親切で寛大
Meaning
very kind and generous
Example
He is known as a **big-hearted** man.
idiom
bird’s eye view
高い位置からの見晴らし; 概要
Meaning
a view from a high position; an overview
Example
We got a **bird’s eye view** of the city from the tower.
idiom
birds of a feather
似たような興味や性格を持つ人々
Meaning
people with similar interests or characteristics
Example
Tom and Jerry are always together—**birds of a feather**.
idiom
birds of a feather flock together
似たような性格や趣味を持つ人は、友達になる傾向があります。
Meaning
People who have similar interests or personalities tend to be friends.
Example
John and Mike are always together; well, **birds of a feather flock together**.
idiom
bite off more than you can chew
自分の能力を超える仕事を引き受ける
Meaning
to take on a task that is too big to handle
Example
I think I **bit off more than I can chew** by agreeing to manage three projects at once.
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.