密码锁 mìmǎsuǒ combination lock Origin Definitions Defs Strokes Stroke Words Sentences Sents 密码 密碼 mìmǎ cipher a system of secret symbols used for secure telecommunications or documents, such as a secret code锁 鎖 suǒ noun lock a device used to secure a door, container, or vehicle, opened by a key, code, or fingerprint