jump to conclusions
草率地下結論，沒有根據地做出判斷
口語·勸人避免武斷
英文釋義
to form an opinion or make a judgment without having all the facts or information
例句
Don't jump to conclusions; let's hear the full story first.
典故來源
直接比喻思維跳躍，未掌握全部事實就下結論，源于日常推理。