I need to tell you something. 我有事必须告诉你。

All right. I'll level with you. 好吧，我就直说吧。

I have something to confess. 我有件事要坦白。

Quit lying to me! 不要对我说谎话。

That is about all I know. 我知道的大概就是这些。

Let's keep this our little secret. 这是一个秘密。

A little bird told me. 听小道消息说。

I didn't let the cat out of the bag. 我没有泄露秘密

I won't say a word. 我一个字都不说出去。

My lips are sealed. 我的嘴很紧。