1.His brain felt like a wrung sponge.

形容头疼很形象。

2.a volley of    一连串

3.tentative

adj. 试验性的，暂定的；踌躇的

n. 假设，试验

仿 We made a tentative arrangementto meet on Sunday.

4.imploringly

adv. 恳求地；哀求地

仿She looked up at him imploringly,with a rose in hand.

5.Summary

Ron was frustrated with his broken wand and it was no use for Harry to comfort him. Hermione is crazy about Lockhart and takes all his classes. Freshman Colin is a fan of Harry and wants to take a picture with him.