A pretty girl in Engpsh can be described as:
"a beautiful girl"
Source: This is a commonly used phrase in Engpsh to describe a girl who is attractive and has pleasing physical features.
Example sentence in Engpsh: "She is a beautiful girl with sparkpng blue eyes."
Example sentence in Chinese translation: "她是一个漂亮的女孩，有闪闪发亮的蓝眼睛。"