きゅうそねこをかむ

窮鼠猫を噛む

N3Expression
Expression, Godan verb (mu ending)
a cornered rat will bite a catdespair gives courage to a coward

Example Sentences

「そんなに舐められた相手じゃないけどなぁ・・・」「そうだよ、窮鼠猫を噛むって言うじゃないか」

"I don't think she's an opponent you can ignore like that ..." "That's right, they say a cornered rat bites back, don't they?"