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.　­

39. in all (=counting everyone or everything, altogether) 总共, 总计　­

38. above all (=especially, most important of all) 尤其是, 最重要的.　­

37. in the air 1)不肯定, 不具体. 2)在谣传中.　­

36. ahead of 在…之前, 超过…;……………. ahead of time 提前.　­

35. in agreement (with) 同意, 一致　­

34. agree with 赞同(某人意见) agree to 同意　­

33. take advantage of (=make the best of, utilize, make use of, profit from, harness)利用.　­

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　­

31. to advantage 有利的,使优点更加突出地.　­