“嘴紧”造句

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