be water off a duck's back

be (like) water off a duck's back

if criticism is water off a duck's back to someone, it has no effect on them at all (often + to ) He's always being told he's lazy and incompetent, but it's just water off a duck's back to him.

Common Names:

Name	Pronounced	Usage
Laura	LAWR-ə (English), LOW-rah (Spanish, Italian, Finnish, Polish, Swedish, Norwegian, Danish, German, Dutch), LAW-oo-raw (Hungarian)	English, Spanish, Italian, Portuguese, Romanian, Finnish, Estonian, Hungarian, Polish, Slovene, Croa
Phil	FIL	English
Wilda	WIL-də	English
AbdÜLhamİT	-	Turkish
Jacques	ZHAHK	French
Theodosius	-	Ancient Greek (Latinized)