她真是一个有趣的女孩怎么用英语翻译

有几种答案：
1.She is really a funny girl.
2.She is such a funny girl.
3.She is so funny a girl.
4.What a funny girl she is!
5.How funny a girl she is!

She's a lovely girl.

lovely的含义很广泛，英国人很常用。
intresting说人的话，有贬义。

如果说这个女孩子很古怪，会说she's a intresting girl.

she is really an interesting girl

She is really an interesting girl.

她真是一个有趣的女孩应该是：she is really an amusing girl .