Definition: something that you tell no one about or only a few people Level: B1
我正在为他举办一个派对，但这是个秘密。
I'm having a party for him but it's a ___secret.
你能保守一个秘密吗？
Can you keep a ___secret?
亲密的夫妻之间不应该有秘密。
A close couple should have no ___secrets from each other.
