很酷的女孩用英语怎么说

A cool girl in English is commonly referred to as "a badass chick" or simply "a badass." This expression originated in the late 20th century and became popular in the United States and the United Kingdom, particularly among youth culture.

Example sentences and translations:

She's a badass chick with a motorcycle and tattoos. (她是一个骑摩托车、有纹身的很酷的女孩。)
She's a badass who doesn't follow the rules. (她是一个不遵守规则的很酷的女孩。)
He thinks she's the coolest thing since sliced bread. (他认为她是自切面包以来最酷的东西。)