重点讲解：
1. bring in
收获（农作物等）；
eg. Make sure how many are going to bring in the wheat tomorrow.
明天去收麦子的有多少人，要落实一下。
eg. The commune is expected to bring in more rice this year.
今年公社可望收获更多稻谷。
2. stir up
挑起，引起（不愉快的情绪或事态）；
eg. As usual, Harriet is trying to stir up trouble.
像往常一样，哈丽雅特正试图找麻烦。
eg. I thought at first that Jay had been stirring things up.
我起初认为杰伊一直在挑起事端。
3. snap up
抢购，赶紧买下（便宜或心仪之物）；
eg. Instead, analysts believe that motorists view the situation as an opportunity to snap up bargains.
分析师反而认为，汽车客户将这一情况视作降价抢购的好机会。
eg. I'd snap up his offer if I were you.
如果我是你，我就会抓住机会接受他的提议。