I'm a broadminded woman. I wouldn't have minded what he did as long as I knew nothing about it.

我不是一个心胸狭小的女人。过去我一直蒙在鼓里，只要我不知道，我也就不会介意这件事。

'Well, I'm fairly broadminded, but sometimes you say things that positively shock me'.

“嗯，我的心胸相当开阔，但有时你说的话让我非常震惊”。