adj. 精通的，熟练的；n. 能手，老手，专家；

[例句] A great number of Egyptians are proficient in foreign languages.

n. 手推车，触轮，电车，有轨电车，空中吊运车；vt.&vi. 载运用有轨电车运送（乘客），乘电车；

[例句] A porter relieved her of the three large cases she had been pushing on a trolley.

[例句] ...supermarket trolleys.

adj. 有效的，强有力的，有权势的，烈性的，有说服力的；

[例句] Their most potent weapon was the Exocet missile...

[例句] The drug is extremely potent, but causes unpleasant side effects.

n. 规诫，戒律，箴言；

[例句] ...an electoral process based on the precept that all men are born equal.

[例句] ...the precepts of Buddhism.

n. 拖网，排钩绳；vt.& vi. 用拖网捕

[例句] A team of officers is trawling through the records of thousands of petty thieves...

[例句] Her private secretary has carefully trawled the West End for a suitable show.

尚可，（确保对方同意或理解）如何，可允许（的），正确的；

[例句] Is it all right with you if we go now?...

[例句] 'How was school?' — 'It was all right.'

带，接管，帮…学习，在…上花费；

[例句] A British newspaper says British Airways plan to take over Trans World Airways.

[例句] The Belgians took over Rwanda under a League of Nations mandate...

解决，作出，锻炼，了解某人的本质；

[例句] Negotiators are due to meet later today to work out a compromise...

[例句] It took me some time to work out what was causing this...

vt. 使受痛苦，折磨，使苦

[例句] Italy has been afflicted by political corruption for decades...

[例句] There are two main problems which afflict people with hearing impairments...

adj. 一致的，连贯的，条理分明的，清楚明白的；

[例句] He has failed to work out a coherent strategy for modernising the service...

[例句] The President's policy is perfectly coherent.

vt. 大批出没，成群出现，在…上寄生，寄生于，骚扰；

[例句] ...pests like aphids which infest cereal crops.

[例句] Crime and drugs are infesting the inner cities.

n. 出租车，滑

[例句] The taxi drew up in front of the Riviera Club...

[例句] He set off by taxi.

n. 教学，教义，所教的东西，学说；adj. 教学的，教导的；v. 教( teach的现在分词)，教书，训练，教育；

[例句] The Government funds university teaching.

[例句] ...the teaching of English in schools.

vt. 把…排挤掉，取代，代替；

[例句] He may be supplanted by a younger man...

[例句] By the 1930s the wristwatch had almost completely supplanted the pocket watch.

adj. 有效的，显著的，生动的，说明问题的；v. 讲述( tell的现在分词)，告诉；

[例句] Herbert sat quietly through the telling of this saga...

[例句] These stories grow in the telling.

n. 试验( test的名词复数 )，考验，测验，化

[例句] Either measure the temperature with a bath thermometer or test the water with your wrist...

[例句] Here the army has its ranges where Rapier missiles and other weaponry are tested...

adj. 轻快的，活泼的，开朗的，有浮力的，易浮的，（价格等）上涨的；

[例句] She was in a buoyant mood and they were looking forward to their new life...

[例句] You will feel more buoyant and optimistic about the future than you have for a long time.

n. 不足额，赤字，亏空，亏损；

[例句] They're ready to cut the federal budget deficit for the next fiscal year.

[例句] ...a deficit of 3.275 billion francs.

vt. 行为，举动，把…驱逐出境；

[例句] ...a government decision earlier this month to deport all illegal immigrants...

[例句] More than 240 England football fans are being deported from Italy following riots last night.

adj. 勤奋的，勤勉的，用功的，费尽心血的；

[例句] Meyers is a diligent and prolific worker...

[例句] The historical research was impressively diligent.