pour water on a duck's back
pour water on a duck's back
To do or attempt something futile or useless. I know you dislike Reginald's new companion, but I doubt he'll listen if you lecture him. It would be like pouring water on a duck's back.
See also: back, on, pour, water
Farlex Dictionary of Idioms.
- have (something) against (someone or something)
- have against
- have something against
- not bear the sight of (someone or something)
- bring sand to the beach
- sour on
- sour on (someone or something)
- harbor (something) against (someone or something)
- harbor (something) toward (someone or something)
- harbor against