“羞怯的”用英语怎么说

她小时候是个羞怯的丑小鸭。She was a shy, ugly duckling of a child.他是个离群索居、胆小羞怯的家伙。He is a reclusive, timorous creature.她羞怯的举止迥然不同于妓女的惺惺作态.In the diffident manner was nothing of the art of the courtesan....