她叫他懒惰无用，但这对他毫无影响。

She calls him lazy and useless, but it ___is ___like ___water ___off ___a ___duck's ___back.

无论他受到什么批评，都毫无作用。

Whatever criticism he receives, it ___is ___like ___water ___off ___a ___duck's ___back.

那些严厉的评论对她来说毫无影响。

The harsh comments were ___like ___water ___off ___a ___duck's ___back to her.