coin a phrase
创造出一个新的短语或特定词汇，通常用于形容某种情况或思想
口语·幽默地引用或创造新说法
英文释义
to invent or create a new expression or saying, typically used humorously to acknowledge that one is using a common or clichéd phrase
例句
He's as sharp as a tack, to coin a phrase, but he's also very kind.
典故来源
源自铸币（coin）的比喻，将创造新词比作铸造新货币，后常用于自嘲使用俗语。