說話不當話 [ㄕㄨㄛ ㄏㄨㄚˋ ㄅㄨˋ ㄉㄤˋ ㄏㄨㄚˋ; shuo1 hua4 bu4 dang4 hua4] to fail to keep to one's word to break a promise ◄ ►