speak too soon
過早地發表意見或斷定；言之過早
口語·提醒不要過早斷言
英文釋義
to make a premature statement or prediction that turns out to be incorrect or premature
例句
I said the party was boring, but I spoke too soon—the band just started playing.
典故來源
源自日常經驗，過早下結論后情況變化，強調預測或評論時機不當。