Translation

• 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

Synonyms

• 一事无成, 为人作嫁, 乏, 劳而无获, 干, 徒, 徒劳, 徒劳无功, 徒劳无益, 徒然, 扬汤止沸, 望梅止渴, 枉然, 枉费心机, 水中捞月, 海底捞月, 画脂镂冰, 画饼充饥, 白, 白搭, 白费力气, 瞎, 空, 纸上谈兵, 缘木求鱼, 虚, 蚍蜉撼大树, 蚍蜉撼树, 螳臂当车, 费力不讨好, 贼去关门, 问道于盲, 隔靴搔痒, 鸡飞蛋打