C-15:cross one's heart 我保证

A:Jenny, what's wrong with you? Why do you keep weeping like that?

A:珍妮，你怎么了?为什么一直哭?

B:Mary told me that she had seen you with Joan last night. I got to know the fact that you are playing the field.

B:玛丽说她昨晚看到你跟琼约会，我终于知道你是个花心大萝卜了。

A:Honey, cross my heart, I've never looked at another woman since the first day I set eyes on you! Believe me, that's the truth.

A:宝贝儿，我向你发誓，自从我见到你以后，我就再也没有对别的女人多看过一眼，这可是千真万确的呀!