not hold water
不合理、不可靠、站不住腳、站不住腳
口語·表達邏輯不成立
英文釋義
to be illogical, inconsistent, or lacking in validity; to not be convincing or credible
例句
His excuse doesn't hold water; it's full of contradictions.
典故來源
源自17世紀,比喻容器漏水,引申為論點站不住腳。