31. to advantage 有利的，使优点更加突出地。
32. have an advantage over 胜过。have the advantage of 由于…处于有利条件 have the advantage of sb.知道某人所不知道的事
33. take advantage of (=make the best of, utilize, make use of, profit from, harness)利用。
34. agree with 赞同(某人意见) agree to 同意
35. in agreement (with) 同意，一致
36. ahead of 在…之前， 超过…;…… ahead of time 提前。
37. in the air 1)不肯定，不具体。2)在谣传中。
38. above all (=especially, most important of all) 尤其是，最重要的。
39. in all (=counting everyone or everything, altogether) 总共，总计
40. after all 毕竟，到底;(not)at all 一点也不; all at once(=suddenly)突然;once and for all 只此一次;above all 最重要的;first of all 首先;all in all 大体上说;be all in 累极了;all but 几乎。
