I have something to confess.我有事要坦白。

I‘m keeping a secret. 我有一個秘密。

I‘ll fill you in. 我要把一切都告訴你。

I‘ll tell you all about it. 我要告訴你一切。

I‘ll tell you frankly. 我坦白告訴你。

I‘ll be frank with you. 我會對你坦白的。

I need to tell you something. 我有事必須告訴你。

I have a confession to make. 我要坦白。

I have a secret. 我有一個秘密。

I have a confession. 我要坦白。

I‘ll level with you. 我就直說吧。

I‘ll tell you the truth. 我告訴你真相。

I‘ll be open and sincere with you. 我會對你開誠布公的。