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。