23.associate... with...　使发生联系；使联合

22.be upset about...　(对……感到)不安的；不快的；心烦意乱的

21.be to blame　该受责备；应负责

20.lose weight　减肥

19.go for　为……去努力获取

18.at stake　在危险中

17.tie up　系；拴；捆

16.live through sth.　经历某事物而幸存

14.lose one’s way　迷路

e to an end　结束；中止

13.leave behind　忘带；留下