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