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(dá); arrive at 到達(dá)某地(小地方);得出,作出; arrive in 到達(dá)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(jié)

　　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.看法

　　60. attribute…to…(=to believe sth. to be the result of…)把..歸因于.., 認(rèn)為..是..的結(jié)果

　　61. on the average (=on average, on an average) 平均

　　62. (be) aware of (=be conscious of , having knowledge or consciousness)意識到,知道.

　　63. at the back of (=behind) 在…后面

　　64. in the back of 在…后部(里面); on the back of 在…后部(外面); be on one’s back(=be ill in bed) 臥病不起.

　　65. at one’s back(=supporting or favoring sb.) 支持,維護(hù); have sb. at one’s back 有…支持, 有…作后臺

　　66. turn one’s back on sb. (=turn away from sb. in an impolite way) 不理睬(某人),背棄,拋棄

　　67. behind one’s back 背著某人(說壞話)

　　68. be based on / upon 基于

　　69. on the basis of 根據(jù)…, 在…基礎(chǔ)上

　　70. beat…at 在…運(yùn)動項(xiàng)目上打贏

　　71. begin with 以…開始. to begin with (=first of all) 首先, 第一(經(jīng)常用于開始語)

　　72. on behalf of (=as the representative of) 以…名義

　　73. believe in(=have faith or trust in; consider sth./sb. to be true) 相信,依賴,信仰.

　　74. benefit (from) 受益,得到好處.

　　75. for the benefit of 為了…的利益(好處)

　　76. for the better 好轉(zhuǎn)

　　77. get the better of (=defeat sb.) 打敗, 勝過.

　　78. by birth 在出生上,論出身,按血統(tǒng) at birth 在出生時(shí); give birth to 出生

　　79. blame sb. for sth. 因…責(zé)備某人 . blame sth. on sb. 把…推在某人身上

　　80. in blossom開花(指樹木) be in blossom開花(強(qiáng)調(diào)狀態(tài)) come into blossom開花(強(qiáng)調(diào)動作)