English Dictionary

rat

IPA（発音記号）

/ɹæt/

動詞

通常 句動詞（on/out） くだけた表現 自動詞 属格

(usually with “on” or “out”) To betray a person or party, especially by telling their secret to an authority or an enemy; to turn someone in.

日本語の意味

裏切る / 密告する / 告げ口する

I can't believe she would rat on her friends just to get ahead at work.

彼女が出世するために友達を裏切るなんて信じられない。

意味（1）

(usually with “on” or “out”) To betray a person or party, especially by telling their secret to an authority or an enemy; to turn someone in.

He ratted on his coworker.

意味（2）

(informal, intransitive) To work as a scab, going against trade union policies.

意味（3）

(of a dog, etc.) To kill rats.

rats （ present singular third-person ）

ratting （ participle present ）

ratted （ participle past ）

ratted （ past ）