ㄎㄜˋ ㄏㄨˊ ㄔㄥˊ ㄨˋ 刻鹄成鹜(刻鵠成鶩) 见“ 刻鵠类鶩 ”。
Try to carve a swan and at least you'll get a duck
刻(kè)
鹄(hú)
成(chéng)
鹜(wù)