- 对牛弹琴 [duì niú tán qín]
- play the lute to a cow -- to have [choose] the wrong audience; cast [throw] pearls before swine; play one's guitar to an ox; preach to deaf ears; talk of ice to a butterfly; talk over people's heads; thrum the lute before a buffalo; waste good acts on sb. who won't understand; waste one's effort; whistle jigs to a milestone
He explained the beauty of the music to his wife but it was casting pearls before swine.
He explained the beauty of the music to her but it was casting pearls before swine.
With this customer, he felt himself, as it were, casting pearls before swine.