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
