not to utter a single word; be as silent as the grave; become almost as silent as a post; button up one's mouth; control one's tongue; have nothing to say for oneself; keep one's mouth shut; keep silent and say nothing; not to breathe a word (of); not to drop a word (of); not to say a word (about); say nothing
一言堂 what i say goes.; one person alone has the say.; deciding everything by one man's say; one person lays down the law.; practice of “what i say counts”; rule by the voice of one man alone; what one person says goes.: 要搞 “群言堂”, 不搞“一言堂”。 let all have a say, not just one
不发达 underdeveloped; underdevelopment 不发达国家 underdeveloped countries; 不发达地区 areas that are underdeveloped