开口的解释 (1) [open ones mouth;begin to speak;start to talk]∶张口说或笑 没等我开口,他就抢先替我说了 (2) [put the first edge on a knife]∶新刃磨、抢,使之锋利 (3) [break]∶河水冲破堤防 详细解释 (1).指食口，...