1.jinxed

adj. 倒霉的

v. 使倒霉（jinx的过去分词）

仿 Her sudden laugh jinxed his joke.

2.retch

vi. 作呕，反胃；恶心

n. 反胃，呕吐

仿The foul smell of his body made her retch.

3.Hagrid gave them some treacle fudges. Ron explains the meaning of the mudblood to Harry. Hagrid comfort Hermione and praise her then he told Harry not to pay attention to Lockhart.