耳邊風;水過鴨背
(like) water off a duck's back
(像)耳邊風;水過鴨背
used to say that sth, especially criticism, has no effect on sb / sth
I can't tell my son what to do; it's water off a duck's back with him.我無法告訴我兒子該做什麼,他根本聽不進去。
釋義來自《牛津高階英漢雙解詞典》第 9 版