keep a secret
US /kiːp ə ˈsiː.krɪt/
UK /kiːp ə ˈsiː.krɪt/

1.
保守秘密
to not tell anyone else a secret that you know
:
•
Can you keep a secret? I have something important to tell you.
你能保守秘密嗎?我有重要的事情要告訴你。
•
She's very good at keeping a secret.
她很擅長保守秘密。