dispose of 除掉;干掉;卖掉
do without 没有…也行
draw on 吸收;
draw up 起草
engage in 从事于,参加
be equivalent to 等于,相当于
exert oneself to 努力,fail to 不能,
be faithful to 忠实于
fall through 失败,
figure on 把…估计在内;指望
focus...on 使眼睛注视,集中