.apologize to sb. for sth. 為……向……道歉
.appeal to sb. for sth. 為某事向某人呼吁。appeal to sb. 對某人有吸引力
.apply to sb. for sth. 為……向……申請;apply for 申請;apply to 適用。
.apply to 與……有關(guān);適用
.attribute...to... (=to believe sth. to be the result of...) 把……歸因于……，認(rèn)為……是……的結(jié)果
.on the average (=on average, on an average) 平均
.(be) aware of (=be conscious of, having knowledge or consciousness) 意識到，知道
.at the back of (=behind) 在……后面
.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。
. 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
.turn one’s back on sb. (=turn away from sb. in an impolite way) 不理睬(某人)，背棄，拋棄
.behind one’s back 背著某人(說壞話)
.be based on/upon 基于
.on the basis of 根據(jù)……，在……基礎(chǔ)上
.approve of (=consent to, be in favor of, favor, agree to, consider good, right) 贊成，approve vt. 批準(zhǔn)
.arise from (=be caused by) 由……引起
.arrange for sb./sth. to do sth. 安排……做……
.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);
.be ashamed of (=feel shame, guilt or sorrow because of sth. done) 以……為羞恥
. assure sb. of sth. (=try to cause to believe or trust in sth.) 向……保證，使……確信