traffic的现在完成时为：trafficked...

adj.困难的，难做的，难解的，不易相处的...

He used a rope to mark off the circle.他用绳子把那个圈围了起来。Read the text through and mark off the sections you find particularly applicable.通读全文，画出你认为最有用的段落。But the money had come to mark off his weaving into periods.但是,金钱却终于把他的...

duff的现在完成时为：duffed...

griffe的音标：griffe的英式发音音标为：[grɪf]griffe的美式发音音标为：[grɪf]...

staff的一般过去时为：staffed...

pass off as的音标：pass off as的英式发音音标为：[pɑ:s ɔf æz]pass off as的美式发音音标为：[pæs ɔf æz]...

feoffer的音标：feoffer的英式发音音标为：['fefə]feoffer的美式发音音标为：['fefə]...

学…的样，模仿...

offer的一般过去时为：offered...

stiffening的音标：stiffening的英式发音音标为：['stɪfnɪŋ]stiffening的美式发音音标为：['stɪfənɪŋ]...

jiffy的音标：jiffy的英式发音音标为：['dʒɪfi]jiffy的美式发音音标为：['dʒɪfi]...

The drugs work well at first but gradually lose their effectiveness.这些药的效果起初非常好,但后来逐渐失效.To assert this is to denigrate the effectiveness of the police.坚持这一点就是贬低警方的办事能力.Bad diction marred the effectiveness of his speech.措...

efficacious的反义词有：inefficacious, inefficacious。adj.efficacious的反义词（有效的;灵验的）：inefficacious。efficacious的反义词（其他释义）：inefficacious。...

muffle的一般过去时为：muffled...

He was handsome in a raffish kind of way.他的帅是一种放荡不羁的帅。The theatre's raffish auditorium recalls an earlier era.剧院俗丽的观众席让人想起早先的时代。He was drinking cheap champagne with a raffish air.他喝着廉价的香槟酒,样子十分放荡....

马上，立刻...

ruffle的一般过去时为：ruffled...

buffet的第三人称单数（三单）为：buffets...

He will now face a disciplinary hearing for having an affair.他因有外遇而要面临纪律听证会的裁决。"This ain't no affair of yours, boy!" McClosky said threateningly.“小子，这不关你的事！”麦克洛斯基威胁道。He claims he was made the fall guy for the affair...

adv.足够地，充分地，十分，相当...

effort的复数形式为：efforts...

...

His rude behaviour subjects him to frequent rebuffs.他的粗鲁行为使他经常遭受冷遇.The succession of rebuffs he had suffered in the platoon had made him more wily.他在侦察排里碰到的一连串钉子,使他学乖了.The task was uncongenial to one sensitive to rebuffs...

v.脱去，（尤指）脱帽( doff的第三人称单数 )...

cast off的音标：cast off的英式发音音标为：[kɑ:st ɔf]cast off的美式发音音标为：[kæst ɔf]...

diffuseness的音标：diffuseness的英式发音音标为：[dɪf'ju:snəs]diffuseness的美式发音音标为：[dɪf'jusnəs]...

offer的复数形式为：offers...

shuffle的现在进行时为：shuffling...

adj.带有障板的，阻挡的v.使困难，使为难( baffle的过去式和过去分词 )...