- keep secret; hush sth. up; keep sth. under one's hat; keep sth. dark; keep sth. under cover [under wraps]; keep the news (of sth.) from getting out; not to let anyone into a secret; unsaid
秘而不宣的用法和样例:
例句
当局对此事秘而不宣,以免引起公众抗议。
The government hushed the affair up to avoid a public outcry.