重點講解：
1. what's the problem
口語常用；表示怎么了；有什么問題；
eg. Why not? What's the problem? Did you have a fight?
為什么？發(fā)生什么事了？你跟她吵架了？
eg. What's the problem with you folks?
朋友你有什么嗎？
eg. Stop beating around the bush and talk to me. What's the problem.
別和我繞圈子了，有什么問題，直說吧。
2. no wonder
（表示找出某事的原因）難怪，怪不得；
eg. No wonder my brother wasn't feeling well.
難怪我兄弟感覺不舒服了。
eg. Brad was Jane's brother! No wonder he reminded me so much of her!
布拉德是簡的兄弟！怪不得他老是讓我想起她呢！
eg. He had made a thorough investigation. No wonder he knew so much about it.
他對此事做了徹底的調(diào)查，怪不得他了解得那么多。