应该是: Pretty girl, 漂亮的女孩
Pretty 一般情况下作为漂亮的意思, 也可以作为"非常"的意思, girl是女孩的意思, 下面给出牛津英汉汉英词典的释义:
pretty |?pr?ti|
A.adjective
(attractive)漂亮的 ?face, woman, garden, colour, view?; 悦耳的 ?tune?
not a pretty sight
有碍观瞻
as pretty as a picture
美丽如画
not just a pretty face
不只脸蛋漂亮
this/that is a pretty state of affairsironical
这/那糟透了
things have come to a pretty pass
事情变得很糟
to cost ([somebody]) a pretty pennycolloquial
花费（某人）一大笔钱
B.adverb
colloquial (very)非常 (fairly)相当
pretty good/bad
非常好/糟
pretty nearly or well or much finished
几乎完成的
to be sitting pretty
处境有利
PHRASAL VERB
pretty up
transitive verb[pretty something up], [pretty up something]
colloquial 装饰 ?house?; 打扮 ?child, oneself?
girl |g?l|
noun
①(female child)女孩子
girls' school
女子学校
the girls' toilets
女厕所
②(daughter)女儿
the Smith girl
史密斯家的女儿
③(young woman)姑娘
④dated (servant)女仆
⑤(female employee)女职员
a factory/office girl
工厂女工/女办事员