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
Betelgeuse	BEE-təl-joos (English)	Astronomy
Abraham	AY-brə-ham (English), AH-brah-hahm (Dutch)	English, Hebrew, Spanish, French, Dutch, German, Swedish, Norwegian, Danish, Biblical, Biblical Lati
Lore (2)	-	Basque
Inna	EE-nah (Russian)	Russian, Ukrainian
Chibuzo	-	Western African, Igbo
MatouŠ	-	Czech