煮鹤焚琴（煮鶴焚琴）　

◎ 煮鹤焚琴 zhǔhè-fénqín

[cook the crane for meat and burn a stringed instrument for fuel;to destroy sth.valuable] 把鹤煮了吃,拿琴当柴烧,比喻糟蹋美好事物而大杀风景之事