【词汇讲解】
1.slump vi. 猛然掉落，坍塌，大幅度下跌
如：The current economic slump is an earnest of the major recession to come.
当前的经济滑坡预示着一次大的衰退即将来临。
The slump hit his business hard.
物价暴跌使他的生意大受打击。
2.stutter v. 口吃，结巴着说话
如：He was stuttering with rage.
他气得说话也结结巴巴起来。
3.bully vt. 威胁，恐吓，欺负
如：Don't let them bully you. Fight back!
别让他们欺侮你. 把他们顶回去！
It is wrong of you to bully the child.
你不该欺侮那个孩子。
4.Straighten v. 弄直，使正确，整顿，挺直
如：She twitched the corner of the rug to straighten it.
她拉了拉小地毯的一角，把它弄正。
You'd better straighten up your house.
你最好把屋子搞整洁。
You should straighten up your room before going out.
出门前你应该把房间收拾整齐。