She didn't believe in angels,until she fell in love with one.

问题描述:

She didn't believe in angels,until she fell in love with one.

直到她爱上一个天使,她才会相信有天使的存在。

直到她爱上了一个天使她才开始相信天使

翻译:知道她爱上了一个人之后,她才相信有天使!
not until表示直到.才的意思

她不相信天使,直到她爱上了一个。