no smoke without fire
无风不起浪，没有空穴来风
口语·暗示传闻有依据
英文释义
there is usually some truth or basis for a rumor or accusation
例句
People are talking about him stealing—no smoke without fire, you know.
典故来源
源自古代谚语，比喻谣言总有源头，就像有烟必有火。