重点讲解：
1. makes matters worse
使情况变得更糟；
eg. Defending a status quo that is unworkable only makes matters worse.
死守一个行不通的现状，只会使局势恶化。
eg. He just lost his job. What makes matters worse, his wife was taken ill.
他刚失业。更糟的是，他妻子又病了。
2. break off
折断；（使）断开；
eg. Grace broke off a large piece of the clay...
格雷斯掰下来一大块土。
eg. They've torn down wooden fences and broken branches off trees.
他们拆掉了木栅栏，并砍去了一些树枝。
3. fatten up
喂肥；催肥；养胖；
eg. They fattened up ducks and geese.
他们喂肥了鹅鸭。
eg. You're too skinny — we'll have to fatten you up.
你太瘦了，我们要把你养胖些。