abrupt，cliffy，precipitous，steep，sharp ；

[例句] 一名男青年从陡峭的岩壁上坠崖身亡。 A young man plunged from a sheer rock face to his death.

[例句] 她又开始沿着陡峭的山路往上爬。 She started once again on the steep upward climb.

complete，entire，[经] full，absolute，blank ；

[例句] 四分之一以上的成年人不具备完全的读写能力。 Over one-quarter of the adult population are not fully literate.

[例句] 我们很高兴给予该产品完全的认可. We are happy to give the product our full endorsement.

unintelligible，mysterious，abstruse，cramp，enigmatical ；

[例句] 令人难解的是, 他竟一直保持沈默. Unaccountably, he kept silent.

[例句] 脚注阐明了文中难解的段落. Footnotes illuminated the difficult passages of the text.

absurd，nonsensical，preposterous，ridiculous，fantastic ；

[例句] 荒谬的是，这样会使得购物者支付过多的钱让农民去种太多的粮食。 Absurdly, it makes shoppers overpay farmers to grow too much food.

[例句] 表面上看，他们的婚姻似乎是个荒谬的结合。 On the face of it, their marriage seems an improbable alliance.

able，capable，competent，efficient，able-minded ；

[例句] 英国皇家空军表彰他是一名非常能干的机械师。 The RAF recognized him as an out-standingly able engineer.

[例句] 尤里·斯科科夫得到了这份工作，他是一位能干的管理人员。 The job went to Yuri Skokov, a capable administrator.

acerb，harsh，mean，unkind，acrid ；

[例句] 这家公司会以非常刻薄的条件借钱给你. The company will lend you money on very unfavourable terms.

[例句] 她那样说是刻薄的. It was mean of her to say that.

alert and resourceful，astute，sharp-witted，incisive，leery ；

[例句] 他回答记者的问题是很机敏的. His answer to the journalist is a shrewd one.

[例句] 丹尼尔大夫是一位天生诙谐而反应机敏的人. Dr. Daniel was a gleg man of a jocose nature.

allusive，implicit，[医] suggestive，implied，insinuating ；

[例句] 轮到你唱的时候,演播室经理会向你发出暗示的. The studio manager will cue you in when it's your turn to sing.

[例句] 到你开始的时候她会给你暗示的. She'll give you the cue when you're to start.

advantageous，favorable，[法] favourable，profitable，advantaged ；

[例句] 这些数字往往是用错误的方法计算出来的，所用的都是特别挑选出来的对自己有利的样本组。 These figures were often spuriously computed by selecting particularly favorable sample groups.

[例句] 他放弃了对环境保护最有利的选择方案。 He veered away from the most environmentally sound option.

advertent，attendant，[法] acutionary，observant，attentive ；

[例句] 他们从未学过吸引他人注意的技巧。 They never learned skills to engage the attention of the others.

[例句] 值得注意的是，该公司最近在亚特兰大开了一家大型商店。 Significantly, the company recently opened a huge store in Atlanta.

ideal，fantastic，aerial，airy-fairy，chimerical ；

[例句] 他的乌托邦不是空想的联邦,而是对那些已经存在的联邦事实上的改进. His Utopia is not a chimerical commonwealth but a practical improvement on what already exists.

[例句] 它在这两种场合都是反动的,同时又是空想的. In either case, it is both reactionary and Utopian.

moving，affecting，appealing，fetching，engaging ；

[例句] 他拍的照片时机掌握完美，记录下了动人的快乐瞬间。 His photo is a wonderful happy moment caught with perfect timing.

[例句] 对玛丽安娜来说，那是动人的一刻。 It was a moving moment for Marianne.

excited，incitant，[医] erethitic，excitable，cordial ；

[例句] 在那一刻见到马库斯是非常令人兴奋的事。 Seeing Marcus at that moment was a great tonic.

[例句] 她身体前倾，眼里闪动着兴奋的光芒。 She leaned forward, her eyes bright with excitement.

aglimmer，flickering，glittery，scintillant，sparkling ；

[例句] 透过船舱的窗户我看到了闪烁的火光。 Looking through the cabin window I saw the flicker of flames.

[例句] 他眼中闪烁的光芒被泪水模糊了。 The twinkle in his eyes was dimmed by tears.

graceless，ill-mannered，uncivil，barbaric，gross ；

[例句] 即使是在比赛最不激烈的时候，橄榄球也是一种粗野的运动。 Rugby's a rough game at the best of times.

[例句] 并非所有的足球明星都是举止粗野的人。 Not all football stars are ill-behaved louts.

doubtful，questionable，[计] suspected，suspect，distrustful ；

[例句] 约瑟夫看到一群可疑的人在密西西比河的一艘轮船上打牌。 Joseph watched a shady-looking bunch playing cards aboard a Mississippi steamer.

[例句] 他最好的朋友在极其可疑的情况下被警察打死了。 His best friend was killed by police under extremely questionable circumstances.

associated，confederate，[计] federated，confederative，federal ；

[例句] 此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体. At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

[例句] 他积极参与了促进基督教各派大联合的运动。 He was deeply involved in the ecumenical movement.

contradictory，paradoxical，inconsistent，ambivalent，contrary ；

[例句] 海关官员们对这种设备作出了一系列互相矛盾的陈述。 Customs officials have made a series of contradictory statements about the equipment.

[例句] 我们面前这两种说法显然是矛盾的。 We are faced with two apparently contradictory statements.

flowing，fluid，[经] current，quick，ambulatory ；

[例句] 用流动的凉水冲洗小扁豆。 Wash the lentils under cold running water.

[例句] 冰河是犹如河水般流动的巨大冰体。 Glaciers are moving rivers of ice.

amicable，friendly，folksy，hail fellow，hail fellow well met ；

[例句] 他想要友好的时候会非常友好。 He could be very pleasant when he wanted to.

[例句] 他的礼物是很友好的表示，这值得称赞。 His gift was an extremely kind gesture. Credit where credit's due.