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27.difficult=arduous (if something is arduous, it is difficult and tiring, and involves a lot of efforts)
Although the work was arduous, he finished it in a short time. 虽然这项工作很费力，他仍然很快就做完了。
28.poor(soil)=barren,
infertile(used to describe the soil is so poor that plants cannot be planted on it)
Such a barren desert can support very few creatures. 在这样荒瘠的沙漠里, 很少生物能够存活.
The farmers in this area have to struggle to wrest a living from the infertile soil. 该地区的农民不得不在这块贫瘠的土地上挣扎谋生。
29.fragile=brittle,
vulnerable(someone who is vulnerable is easily hurt emotionally or physically) He has a brittle temper. 他脾气急。
How does the UN defend vulnerable groups in society? 联合国如何保护社会中的弱势群体？
30.show=demonstrate (to demonstrate a fact means tp make it clear to people.) I hope to demonstrate my ability and talents in my field adequately. 我希望能充分展示我在这个行业的能力和智慧。
31.big=massive(large in size, quantity, or extent),
colossal(use this word, you emphasize something’s large), tremendous(INFORMAL)
The temple is supported by massive columns. 此庙由粗大的柱子支撑
It requires government spending on a colossal scale. 这要求政府付出巨额开支。
He has a tremendous hold over his younger brother. 他对他弟弟很有影响.
32.avoid=shun(if someone shuns something, s/he deliberately avoid that something or keep away from it.)
Wise men love truth, whereas fools shun it. 【谚】智者热爱真理，愚者回避真理。
33.fair=impartial(someone who is impartial is able to give a fair opinion or decision on something.)
He was not an impartial witness because of his affinity with the accused. 他不是公正的见证人, 因为他与被告有姻亲关系.
34.attack=assault (physically attack someone), assail (attack violently
If you lay hands on me, I will charge you with assault. 如果你对我动手，我就指控你犯人身伤害罪。 All sorts of problems assailed us suddenly. 我们突然遇到各种各样的难题。
35.dislike=abhor(you hate something to a extreme extent for moral reasons), loathe(dislike very much)!
I abhor advertising that is blatant,dull,or dishonest. 我痛恨那些华而不实、平淡无奇、或自欺欺人的广告。
I behold the treacherous and loathe them, Because they do not keep Your word. 我看见奸恶的人、就甚憎恶、因为他们不遵守你的话。
36.ruin=devastate (it means damage something very badly, or utterly destroy it.) She was devastated by his death. 她因他去世而悲痛欲绝。
39.always=invariably(the same as always, but better than always)
A man who moralizes is usually a hypocrite, and a woman who moralizes is invariably plain.
说教的男人通常是个伪善者，而说教的女人则必定是丑女。
40.forever=perpetual(a perpetual state never changes),
immutable(something immutable will never change or be changed) A contented mind is a perpetual feast. 【谚】知足长乐。
An immutable class is one whose instances cannot be modified. 一个不可变类是指其实例不可修改的类。
41.surprise=startle(it means surprise you slightly), astound(surprise you to a large degree), astonish(the same as astound)
The least noise would startle the timid child. 最小的响声也会吓着这个胆小的孩子的。
These places continue to astound me every time I step off the plane or train. 每一次当我迈下飞机或火车时，眼前的景象都会让我感到震撼不已。 She astonished me with her beautiful handwriting. 她以其秀丽的书法而使我惊异。
42.enthusiasm=zeal (a great enthusiasm),
fervency (sincere and enthusiasm) He shows zeal for knowledge. 他渴望知识。
43.quiet=tranquil(calm and peaceful), serene(calm and quiet)!
He looked at the man with a tranquil eye. 他以平静的眼神看着那个男人。
It was a beautiful morning, calm and serene. 那是一个宁静、明媚的早晨。
44.expensive=exorbitant(it means too expensive that it should be)
She hunted out an unassuming restaurant and entered, but was disturbed to find that the prices were exorbitant for the size of her purse.
她找到一个不起眼的小饭店，就走了进去。但是她不安地发现那里的价钱高得吓人，不 是她的钱包可以付得起的。
45.luxurious=lavish(impressive and very expensive), sumptuous(grand and very expensive
The country girl was not used to their lavish mode of living. 这个乡下姑娘不习惯他们奢侈的生活方式。
After sumptuous banquet, they also took us to a dance hall to dance and sing. 奢盛的宴会后，他们还带我们到一个舞厅去跳舞和唱歌。
46.boring=tedious(if you describe something tedious, you mean it’s boring and frustrating)
He is an exceedingly tedious fellow. 他是一个非常令人生厌的家伙。
47.respect=esteem(if you esteem someone, you respect and admire her. FORMAL) She stands high in the esteem of (ie is greatly respected by) her colleagues. 她深受同事的尊敬.
48.worry=fret(if you fret about something, you worry about it) Don't fret, we'll get there on time. 别著急, 我们能准时到那里.
49.cold=chilly(unpleasantly cold), icy(extremely cold) A gust of chilly autumn wind is blowing from the north. 一阵冷飕飕的秋风从北方吹来。
Driving on icy roads can be pretty hairy. 在结冰的道路上开车有时真使人心惊胆战
50.hot=boiling(very hot)
These vegetables have been boiling too long; they're cooked to a pulp. 这些蔬菜煮的时间太长了，都煮成糊了。
51.dangerous=perilous(very dangerous, hazardous(dangerous, especially to people's safety and health) They face a perilous future. 他们面临渺茫的未来。
52.nowadays=currently
We are currently focusing seriously on this matter. 我们正在严肃地处理这个问题。
53.only=unique(the only one of its kind), distinctive; The custom is unique to the region. 这种风俗是这一地区特有的。
I believe everyone is born into the world to do something unique and something distinctive.
我相信每个人来到这个世界上，都是为了做一番与众不同、独一无二的事情！
54.stop=cease(if something ceases, it stops happening or existing) The newspaper had ceased publication. 报纸已停刊。
55.part=component(the components of something are the parts that it is made of) Surprise is an essential component of my plan. 我这项计划主要就是想使大家惊喜一下。
56.result=consequence(the results or effects of something)
It rained yesterday and in consequence the match was canceled. 昨天下雨了, 结果比赛被取消。
57.obvious=apparent, manifest
This is an apparent exception to the rule. 这是那项规定的一个明显的例外. It manifested itself to all of us. 那对我们大家来说是显而易见的
58.basedon=derived from can see or notice them very easily)
These stories derive from his experiences during the Long March. 这些故事是根据他在长征中的经历写成的。