重点讲解：
1. never mind
不用了；不必担心；不用着急；
eg. 'I'll go up in one second, I promise.' — 'Never mind,' I said with a sigh. 'I'll do it.'
“我保证马上就上来。”——“没关系，”我叹了口气说，“我自己来。”
eg. Dorothy, come on. Never mind your shoes. They'll soon dry off.
快点儿吧，多萝西。别去管你的鞋子了，它们很快就会干的。
2. prefer doing sth.
更喜欢；偏好做某事；
eg. Bob prefers making original pieces rather than reproductions.
鲍勃更喜欢创作原创作品，而不是制作复制品。
eg. Some students are going out on a picnic, but I prefer reading at home.
有些学生要出去野餐,可我更喜欢在家读书。
3. be thrilled to do sth.
因做某事而激动；兴奋；
eg. I was so thrilled to get a good report from him.
收到他的好消息让我欣喜若狂。
eg. We were thrilled to hear his tales of South Sea adventure.
听到他南海探险的经历我们很激动。