Definition: something that you tell no one about or only a few people Level: B1
我为他举办一个派对,但这是个秘密。
I'm having a party for him but it's a ___secret.
你能保守秘密吗?
Can you keep a ___secret?
我们彼此之间不保守秘密。
We don't keep ___secrets from each other.