secret

I can’t tell you. It’s a secret.

我不能告诉你，这是个秘密。

It was no secret that the two men hated each other.

这两个男人相互仇视，这算不得什么秘密。

Don’t worry. Your secret is safe with me (= I won’t tell anyone about it ) .

别担心，我会替你保守秘密。

Your hair always looks so great – what’s your secret ?

你的头发看起来总是很漂亮——你的秘诀是什么？

They kept their relationship secret from their parents.

他们俩的关系瞒着父母。