like water off a duck's back片語KK [laɪk ˋwɔtɚ ɔf ə dʌks bæk] /laɪk ˈwɔtɚ ɔf ə dʌks bæk/發音片語1毫無影響、無動於衷、置若罔聞口語All the criticism was like water off a duck's back to her.那些批評對她來說完全不起作用。