1.This is just between you and me.只有你和我知道哦。

2.I won‘t say anything.我什么都不说。

3.My lips are sealed.我的嘴很严的。

4.It was a slip of the tongue.我无意中说漏了嘴。

5.I spilled the beans.我泄露了秘密。

6.You are such a blabbermouth.你真是一个大嘴巴。

7. You'd better keep quiet about it. 你最好保守这个秘密。

8.Your secret is safe with me. 我给你保密。