她是非常胆怯的在学校。

She was very shy at school.

youdao

她是非常胆怯的女孩，如此她对我不多第一个几数个星期，但是她的英国语改良，而且很快她开始相信人的在我里面当我甚至在她的年龄附近是唯一的女孩。

She is a very shy girl so she didn't speak much to me the first few weeks, but her English improved and soon she started confiding in me as I was the only girl even close to her age.

youdao

她克服了胆怯的毛病，非常坦率地说出了自己的想法。

She overcame her natural diffidence and spoke with great frankness.

《牛津词典》