“害羞的”的英语？

她那平时很害羞的儿子已经开始与人交往了。Her normally shy son had come out of his shell.他看出了这个害羞的小人想要什么.He perceived what the shy little man wanted.那害羞的孩子躲在后面不让人注意.The shy boy effaced himself by staying in the background....