火ひのないところに煙けむりは立たたない

expression, i-adjective

there's no smoke without fire

Proverb meaning that rumors or suspicions usually have some basis in fact.

• 彼かれがそんなことをするなんて信しんじられないけど、火ひのないところに煙けむりは立たたないというから、何なにかあったのかもしれない。

  I can't believe he would do such a thing, but they say there's no smoke without fire, so maybe something did happen.