严密 yánmì A. adjective ① (无空隙) tight ▸ 严密防守 tight defence ▸ 封口严密。 The seal is tight. ② (周密) strict ▸ 严密防范 take strict precautions ▸ 严密封锁 impose a tight embargo ▸ 严密监视 put under close surveillance ▸ 消息封锁得很严密。 A strict blockade on the passage of information has been imposed. B. verb tighten up ▸ 严密规章制度 tighten up rules and regulations |