1.艰苦的；艰难的；棘手的having or causing problems or difficulties
a tough childhood苦难的童年
It was a tough decision to make.那是个很难作的决定。
She's been having a tough time of it(= a lot of problems) lately.她最近的日子一直很难熬。
He faces the toughest test of his leadership so far.他面临迄今为止对自己的领导工作最严峻的考验。
It can be tough trying to juggle a career and a family.要事业家庭两不误，有时会很艰难。
2.严厉的；强硬的；无情的demanding that particular rules be obeyed and showing a lack of sympathy for any problems or suffering that this may cause
Don't be too tough on him─he was only trying to help.别对他要求过高，他只是想帮忙。
It's about time teachers started to get tough with bullies.现在教师要对横行霸道的学生开始采取严厉措施了。
The school takes a tough line on(= punishes severely) cheating.学校对作弊行为的惩罚很严厉。
3.坚强的；健壮的；能吃苦耐劳的；坚韧不拔的strong enough to deal successfully with difficult conditions or situations
a tough breed of cattle耐劣等饲养条件的牛种
He's not tough enough for a career in sales.他干推销这一行缺少足够的韧劲。
She's a tough cookie/customer(= sb who knows what they want and is not easily influenced by other people) .她是个有主见的人。
4.彪悍的；粗暴的；粗野的physically strong and likely to be violent
You think you're so tough, don't you?你以为自己够厉害的，是不是？
He plays the tough guy in the movie.他在电影中扮演硬汉。
5.难切开的；嚼不烂的；老的difficult to cut or chew
6.坚固的；不易切开（或打破、撕破等）的not easily cut, broken, torn, etc.
a tough pair of shoes一双结实的鞋子
The reptile's skin is tough and scaly.这种爬行动物的皮肤坚韧并带有鳞片。
7.(informal)~ (on sb)不幸的；倒霉的unfortunate for sb in a way that seems unfair
It was tough on her being dropped from the team like that.她就这样被队里刷了下来，真是倒霉。
‘I can't get it finished in time.’ ‘Tough!(= I don't feel sorry about it.) ’“我无法按时完成。”“活该倒霉！”
‘I failed by one point.’ ‘That's tough luck.’“我差一分没及格。”“运气真不好。”
‘If you take the car, I won't be able to go out.’ ‘Tough luck!’“如果你把车开走，我就出不去了。”“该你倒霉！”
‘I failed by one point.’ ‘That's tough luck.’“我差一分没及格。”“运气真不好。”
‘If you take the car, I won't be able to go out.’ ‘Tough luck!’“如果你把车开走，我就出不去了。”“该你倒霉！”
1.(informal)粗暴的人；暴徒；恶棍a person who regularly uses violence against other people
Secure knowing that he had already mastered one of the toughest topics in the course, the teen went on to do well in the class.
在确认自己已经掌握了代数课程中最艰深的章节后，这位少年后来的学习一直都不错。
As a negotiator, he left the toughest lawyers in the dust, and yet for years he had been fascinated by Zen Buddhism.
作为一位谈判者，他的辩才令那些最牛的律师望尘莫及，但另一方面他曾多年痴迷于禅宗。
But the toughest condemnation, in the form of a Security-Council resolution, needs China's support, or at least abstention.
但是以联合国安理会决议形式发布的最严厉的制裁必须得到中国的支持，或至少弃权。
But even when conditions were the toughest, the community still had confidence in the link and there was no panic selling of our currency.
但即使在最困难的阶段，市民仍然对联汇制度显示信心，并无抛售港元。
The International Air Transport Association says 2009 is shaping up to be one of the toughest years the airline industry has ever faced.
国际航空运输协会说，2009年看来将会成为世界航空业有史以来面对的最为困难的年度之一。
We needed it, for the last leg was the toughest of all: the Nullarbor Plain, which stretches across the south of the country.
我们需要这么做，因为我们最后一段路程是最艰难的，那就是绵延在澳大利亚南部的纳拉伯平原。
So the bumpiness , the rising high altitude, and the long duration of these two things made this short distance of the road the toughest.
崎岖不平的道路，逐步升高的海拔，和很长的持续时间使这段路程成为了最艰难的一段。
As you begin to feel loose and ready to race, visualize yourself running fast, particularly over the toughest portions of the course.
当你开始感到松弛和做好比赛准备的时候，想象一下你跑得很快的时候，尤其是你比赛最紧张的那个阶段。
Singletons, whether unmarried or divorced, are able to sign up for the roughest, toughest unaccompanied positions.
单身者，无论未婚或离异，都能够签约获得那些最难熬、最艰苦的无伴从职位。
The shakeup reflects the sense of crisis within Toyota as it navigates one of the toughest periods in its 70-year history.
这一管理层调整反映出了丰田汽车内部的危机感，这家公司正面临着70年历史上最为艰难的时期。
When he made it 2, 655 miles to Canada, what should have been one of his best days was one of his toughest.
当他走完了2655英里到达了加拿大，那本来是他最好的日子却成了最艰难的日子。
We've just played the toughest team in Group C, a team who got to the final of the Confederations Cup, and were a right banana skin.
我们刚和C组里最厉害的球队踢过球，一个能进入联合会杯决赛的球队，这可真是件麻烦事。
The toughest part of working with XML is often just knowing which tool is best for a specific application.
使用XML时最困难的部分通常就是了解哪个工具最适合于某个特定的应用程序。
It was one of the toughest races of the season, but I think with everything that happened, this was the best result we could get.
这是赛季中最艰难的比赛之一，但我认为，考虑到任何可能发生的事，这已经是我们能获得的最好成绩了。
Negroponte ' s remark linking the Janjaweed with the Sudanese government is one of the toughest accusations ever to come out of Washington.
Negroponte将苏丹政府与Janjaweed联系在一起的评论，可以说是华盛顿有史以来发出的最严厉的控诉之一。
With 1. 3 billion people like this, able to grind out the toughest and most grim situations, no wonder they will be the next super power.
13亿人同样如此，能机械地坚韧近乎冷酷地面对这种情况，所以无怪乎他们是一个超级大国。
Mr. Davis said he is now preparing "one of the toughest budget plans ever presented" .
戴维斯先生说，他目前正在准备的预算是“有史以来所提交的最艰难的预算案之一”。
The Iron Runoff was a bit of a struggle at first and the toughest set of races for me so far in Forza 2.
当你第一次参加铁之竞赛时，会有点吃力，对我来说这是极限竞速二中最困难的部份了。
because he is prepared to put in a shift up front on his own against some of the best - and toughest - defenders in the world.
因为他一直准备在一些最好的以及最坚韧的防守面前给自己的进攻加速？（意思是展现出更强的冲击力？）
Dancers and choreographers seem to have the toughest time of it, earning the worst pay and with the least education.
舞蹈演员和舞蹈指导似乎受时局影响最大。在各类艺术家中，他们挣钱最少，受教育水平也最低。
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