对牛弹琴
duìniú-tánqín
lit. to play the lute to a cow, fig. offering a treat to an unappreciative audience
HSK 79
Traditional對牛彈琴
Additional Dictionary Meanings
lit. to play the lute to a cow (idiom)fig. offering a treat to an unappreciative audienceto cast pearls before swinecaviar to the generalto preach to deaf earsto talk over sb's head