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
He has no plans for tougher immigration or asylum controls, and is proud that his government made it legal for asylum-seekers to work.
对于移民和收容所管理，他没有更强硬的计划，他为其政府使得庇护寻求者工作合法化而骄傲。
Now, tougher economic times threaten even that budget, and could mar plans for what was to have been a glorious Olympic legacy.
眼下经济紧缩的时期影响着这个预算，并且可能阻碍办一场显赫的奥运盛会的计划。
The only difference was that the outgoing guy seemed to have eaten more business lunches and looked tougher.
唯一的不同是离职的那位似乎吃过更多商务餐，看上去更强悍一些。
The voltage challenge, meanwhile "seems to be a tougher road, " he said.
同时，电压方面的挑战看上去像是一条更艰难的道路，他说。
To make himself tougher, he slept on firewood and tried a gall-bladder before having dinner and going to bed.
为了提醒自己不要忘了报仇，他睡在柴上，每天吃饭睡觉前还要尝一尝苦胆。
Beyond the biodiversity, the researchers also found a set of certain bacteria that seemed tougher than the rest.
除了他们所具有的生物多样性外，这些研究人员也同样发现了一些明显强于其他类别的菌类。
It was all the more surprising given the stellar performance two weeks ago of longer-dated bond auctions, which can be tougher to sell.
更令人意外的是，两周前较长期公债标售成绩也理想。
Although Mr Geithner did not commit himself to any specific action, the use of the m-word suggests Team Obama will take a tougher line.
虽然盖特纳先生并没有承诺采取任何具体的行动，但这样一个词汇的运用，不由得令人想到奥巴马团队将会采取更为强硬的路线。
Mrs Chick bore off the tender pair of Toodles, and presently returned with that tougher couple whose presence her brother had commanded.
奇克夫人把这两位皮肤娇嫩的图德尔领走，按照她哥哥的吩咐，很快又把两位皮肤粗糙一些的图德尔领回来。
Democratic strategist Doug Schoen said Obama's shift in tone reflected a battle that turned out to be tougher than he thought it would be.
民主党战略专家道格・绍恩（DougSchoen）表示，奥巴马态度的转变反映了这场争论比他预想的要激烈。
Or that of the eight voting to keep it on the market, six said it should be only with tougher warnings and restricted distribution?
或者8名成员投票支持它留在市场上，6名成员说它只是应该有更加严厉的警告和限制经销呢？
He said he would take a tougher stand against Hamas than the ruling centrist Kadima party has done.
他说，他将对哈马斯采取比目前的中间派前进党政府更为强硬的立场。
Getting ready to break a bad habit is tough, and getting in the right mindset to break a habit in just a month is even tougher.
要下决心改掉一个坏习惯很艰难，而要摆好心态在仅仅一个月之内改掉就更艰难了。
The broad amount of money saved was no surprise but the priorities revealed something of the tougher choices ahead.
令人感到惊讶的不是节省下来的经费数量，而是摆在面前的更为艰难的选择。
Some of your friends might have the latest cell phones, video games, and basketball shoes, but others may be having a tougher time than you.
你的一些朋友或许有了最新款的手机，游戏和篮球鞋，但同时另外一些朋友也许过着比你还要艰难的生活。
It has no doubt gotten tougher for China to snap up resource assets as markets have regained some liquidty.
显然，随着市场流动性的恢复，中国到海外收购自然资源资产的难度已经加大。
That quake was one of the most deadly in recorded history, prompting Beijing to introduce tougher building codes in vulnerable areas.
那次地震可以说是有历史记载以来最为惨重的一次，也促使中国政府在敏感区域引入了更坚固的建筑法规。
This was tougher than the previous issues -- it was the only one of these details not included in our initial DITA support.
这个问题比上一个更难，也是我们最初的DITA支持中惟一没有包括在内的一个问题。
"During the era of Mao Zedong it was much tougher, " said the cotton farmer who also raises chickens and ducks for home consumption.
“在毛的年代，要更团结。”这位棉农说，他喂养着供自己吃的鸡鸭。
Kevin Martin: If he was just a mite tougher, he'd be a truly elite player.
凯文-马丁：如果他是更加坚韧的小蜘蛛，他将成为真正的中坚球员。
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