41.allow for (=take into consideration， take into account) 考虑到，估计到。
42.amount to (=to be equal to) 总计，等于
43.answer for (undertake responsibility for， be liable for， take charge for) 对……负责
44.answer to (=conform to) 适合，符合
45.be anxious about 为……焦急不安;或anxious for
46.apologize to sb. for sth. 为……向……道歉
47.appeal to sb. for sth. 为某事向某人呼吁。appeal to sb. 对某人有吸引力
48.apply to sb. for sth. 为……向……申请;apply for 申请;apply to 适用。
49.apply to 与……有关;适用
50.approve of (=consent to， be in favor of， favor， agree to， consider good， right) 赞成，approve vt. 批准
51.in no case 在任何情况下都不(放句首倒装句)
52.be cautious of 谨防
53.center one‘s attention on (=focus one’s attention on) 把某人的注意力集中在……上
54.be certain of (=be sure of) 有把握，一定。
55.for certain of (=for sure) 肯定地，有把握地
56.attach(to) (=to fix， fasten; join) 缚，系，结
57. make an attempt at doing sth. (to do sth.)试图做……
58.attend to (=give one‘s attention， care and thought) 注意，照顾;attend on (upon) (=wait upon， serve， look after) 侍候，照料
59.attribute to/ toward ……对……的态度、看法
60.attribute……to…… (=to believe sth. to be the result of……) 把……归因于……，认为……是……的结果