to advantage 有利的，使优点更加突出地
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
take advantage of(=make the best of，utilize，make use of，profit from， harness)利用
agree with 赞同(某人意见);agree to 同意
in agreement(with)同意，一致
ahead of 在…之前，超过…
in the air 1)不肯定，不具体;2)在谣传中
above all(=especially，most important of all)尤其是，最重要的.
in all(=counting everyone or everything，altogether)总共，总计
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.
allow for(=take into consideration，take into account)考虑到，估计到
amount to(=to be equal to)总计，等于
answer for(undertake responsibility for，be liable for，take charge for)对… 负责.
answer to(=conform to)适合，符合
be anxious about 为…焦急不安; 或 anxious for
