“嘴紧”用英语怎么说

“嘴紧”的反义词：嘴快。...

他对自己早年的经历一向嘴紧.He is secret about his past.我的嘴紧;我会严守秘密.My lips are sealed.这可是个秘密, 不过我知道你嘴紧(肯定不会告诉别人).This is a secret, but I know I can count on your discretion....

“嘴紧”的拼音为：zuǐ jǐn...