What a girl wants you don't guess. You never know.

女孩的心事你别猜，猜来猜去也猜不明白。

youdao

You wouldn't know what it means—it's a girl thing.

你不会知道那是什么意思，那是女孩子家的事。

《牛津词典》

You're a crazy girl and you should know it.

你应该知道你是一个疯狂的女孩。

youdao

And then "Big Bang Theory", it's like, you know, a bunch of nerds and one hot girl.

然后是《生活大爆炸》，它是关于一群呆子和一个性感的女孩子的剧。

喜欢的电视节目 - SpeakingMax英语口语达人

You remind me of a girl I used to know.

你让我想起了一个以前认识的女孩。

remind me of 实战 - SpeakingMax英语口语达人

But she is a New Orleans girl and you know the rest.

NPR: A New Orleans Stoop: Solace After the Storm

You know, you just got to be ready for whatever this girl is going to come up with next because, you know, I'm always, you know that, I'm always cooking with gas.

NPR: Queen Latifah on 'Trav'lin' Light'

So we see in the advent of AIDS, you know, the girl has also her own right.

NPR: The Missed Education of African Girls