當天事當天畢 [ㄉㄤˋ ㄊㄧㄢ ㄕˋ ㄉㄤˋ ㄊㄧㄢ ㄅㄧˋ; dang4 tian1 shi4 dang4 tian1 bi4] never put off until tomorrow what you can do today (idiom) ◄ ►