日积月累学口语:天知地知你知我知的秘密 天知地知|你知我知|秘密

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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。

lips are sealed. 我的嘴很严的。

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。

are such a blabbermouth.你真是一个大嘴巴。