51. arise from(=be caused by)由…引起。
52. arrange for sb.sth. to do sth. 安排…做…
53. arrive on 到達; arrive at 到達某地(小地方);得出，作出;arrive in 到達某地(大地方);
54. be ashamed of (=feel shame, guilt or sorrow because of sth. done) 以…為羞恥
55. assure sb. of sth. (=try to cause to believe or trust in sth.) 向…保證，使…確信。
56. attach(to)(=to fix, fasten; join) 縛，系，結
57. make an attempt at doing sth. (to do sth.)試圖做…
58. attend to (=give one’s attention, care and thought)注意，照顧;attend on(upon)(=wait upon, serve, look after)侍候，照料
59. attitude to toward …對…的態(tài)度�？捶�
60. attribute…to…(=to believe sth. to be the result of…)把歸因于，認為是的結果
