Correct

对牛弹琴

/ duì niú tánqín /
Strokes

Definition

lit. to play the lute to a cow (idiom)/fig. offering a treat to an unappreciative audience/to cast pearls before swine/caviar to the general/to preach to deaf ears/to talk over sb's head

Example

Definition

play the lute to an ox—address the wrong audience; cast pearls before swine; talk over sb's head

1
Gēn
tán
huādào
花道
děng
等于
duìniútánqín
对牛弹琴

To talk to him about the art of flower arrangement is like casting pearls before swine.