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1·It was a tough but clean game.

这是一场打得艰苦但却是规规矩矩的比赛。《牛津词典》

2·She is bright, tough and spunky.

她聪明、顽强而且干劲十足。《牛津词典》

3·It was a tough decision to make.

那是个很难作的决定。《牛津词典》

4·She had a pretty tough childhood.

她度过了一个非常艰苦的童年。《柯林斯英汉双解大词典》

5·She's hard-boiled, tough, and funny.

她冷峻、坚韧而风趣。《柯林斯英汉双解大词典》

6·Tweed is timeless, tactile and tough.

粗花呢从不过时，手感很好，结实耐磨。《柯林斯英汉双解大词典》

7·The reptile's skin is tough and scaly.

这种爬行动物的皮肤坚韧并带有鳞片。《牛津词典》

8·Julia was a very tough, sharp-tongued woman.

朱莉娅是一个非常坚韧，说话尖锐的女子。《柯林斯英汉双解大词典》

9·I've always been drawn to tough, gutsy women.

我总是被坚强、勇敢的女性所吸引。《柯林斯英汉双解大词典》

10·It was a tough race and I had to pace myself.

那是一场艰难的比赛，我必须放稳自己的步调。《柯林斯英汉双解大词典》

困难的

1·It was a very tough decision but we feel we made the right one.

这是一个非常困难的决定，但我们觉得自己做出了正确的选择。《柯林斯英汉双解大词典》

2·The tough thing is trying to instil a winning attitude in the kids.

困难在于要尽力给孩子们灌输胜利的心态。《柯林斯英汉双解大词典》

3·Think about how tough it is to get together 15 people, much less 50, who all get along perfectly.

想想把15个人聚集在一起有多困难，更不用说50个彼此关系很好的人了。

4·Firms who want to keep their outside directors through tough times may have to create incentives.

那些想要在困难时期留住外部董事的公司可能不得不建立激励机制。

5·After discovering how resourceful she can be in tough times, Cindy is no longer easily discouraged.

发现她在困难时期是多么足智多谋后，辛迪不再轻易气馁。

强硬

1·He is known for taking a tough line on security.

他以在安全方面采取强硬路线而闻名。《柯林斯英汉双解大词典》

2·He wants to be the tough rebel who bucks the system.

他想成为抗拒体制的强硬叛逆者。《柯林斯英汉双解大词典》

3·He was criticized for his tough stand on immigration.

他因在移民问题上立场强硬受到批评。《牛津词典》

4·He is a bit of a tough character and she is rather selfish.

他性格有点强硬，而她则相当自私。

5·The food industry will be alarmed that such senior doctors back such radical moves, especially the call to use some of the tough tactics that have been deployed against smoking over the last decade.

资深医生不但支持这些激进的举措，甚至呼吁使用过去10年间抵制吸烟的强硬手段，这为食品行业敲响了警钟。

艰苦的

1·She had a pretty tough childhood.

她度过了一个非常艰苦的童年。《柯林斯英汉双解大词典》

2·It was a tough but clean game.

这是一场打得艰苦但却是规规矩矩的比赛。《牛津词典》

3·Conditions are rather tough here.

这里条件比较艰苦。《新英汉大辞典》

4·The other 364 days of the year are very tough for Korean youngsters.

对于韩国年轻人来说，这一年中的其他364天是很艰苦的。

5·After a tough workout or a day full of physical activity, it's common to find your muscles aching.

在一次艰苦的锻炼或一整天体力活动后，肌肉酸痛是很常见的。

坚韧的

1·She's hard-boiled, tough, and funny.

她冷峻、坚韧而风趣。《柯林斯英汉双解大词典》

2·Julia was a very tough, sharp-tongued woman.

朱莉娅是一个非常坚韧，说话尖锐的女子。《柯林斯英汉双解大词典》

3·Extreme conditions produce extremely tough plants.

极端的条件会培养出极其坚韧的植物。

4·Tough sheaths push through the earth and do the backwork needed for the emergence.

坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作。

5·But to bounce back and not lose a match from that moment on I think shows, again, how tough I am, the right decisions I can take.

但是我认为做到迅速恢复起来，从次不再输掉(这样的)比赛才显示出我有多么坚韧，这是我能做到的正确决定。

坚强的

1·I've always been drawn to tough, gutsy women.

我总是被坚强、勇敢的女性所吸引。《柯林斯英汉双解大词典》

2·He built up a reputation as a tough businessman.

他树立起了一个坚强生意人的名声。《柯林斯英汉双解大词典》

3·According to Mandy, Pat's tough exterior hides a shy and sensitive soul.

据曼迪说，帕特坚强的外表下藏着一个害羞、敏感的灵魂。《柯林斯英汉双解大词典》

4·Her rather tough and worldly exterior hides a very soft and sensitive heart.

她那相当坚强而世故的外表下掩藏着一颗非常柔软敏感的心。《柯林斯英汉双解大词典》

5·Most young boys are trained to believe that men should be strong, tough, cool, and detached.

大多数年轻的男孩被训练得相信男人应该强壮、坚强、冷静而超然。

棘手的

1·It's going to be tough but we'll pull through it together.

这件事会很棘手，但我们将协力把它完成。《牛津词典》

2·When I told a group of school children who displayed helpless behavior that a lack of effort led to their mistakes in math, they learned to keep trying when the problems got tough.

当我告诉一群表现出无助行为的学生说，是缺乏努力导致了他们数学上的错误，他们就学会了在问题变得棘手时继续尝试。

3·Make that picture as clear as possible (this will help your motivation when things get tough).

尽量的把这幅图清晰化(这让你在处理棘手问题时目标坚定)。

4·But tough work is also what brings the highest value.

但是棘手的工作也是能带来最高价值的。

5·His way of dealing with one tough problem this week may well have come at the cost of creating another.

他在本周处理一个棘手问题的手法很可能已经付出了导致另一个问题的代价。

硬

1·It looks very tough and I can use it to make myself a drumhead.

它看起来很硬，我可以用它来给我自己做一个鼓面。

2·Most Roman pottery is light and smooth to touch and very tough, although, like all pottery, it shatters if dropped on a hard surface.

大多数罗马陶器轻巧而光滑，摸起来很硬，但像所有的陶器一样，如果掉在坚硬的物质上就会碎裂。

3·Unlike the many winter greens that have tough leaves and thus require a lengthy cooking time, those of escarole need little or no cooking.

与许多冬天的绿色植物不同，它们的叶子很硬，因此需要很长时间来烹饪，莴苣菜几乎不需要烹饪。

4·Keratin is a tough, fibrous protein found in hair and nails.

角质是一种硬纤维蛋白，在头发和指甲中都存在。

5·There, scratched deep in the tough leather, was the name Buddie.

在粗硬的皮革上，深刻着的是名字“好伙计”。

难熬

1·But I wouldn't gloss over the fact that that was a tough time for us.

但我不会掩饰这个事实：那对我们都是段难熬的日子。

2·That was really tough.

那段时间真是难熬。

3·Therefore, summer is tough time for me and I always expect winter to come.

因此，夏天对我来说是一段难熬的时期，我总是期待冬天的到来。

4·No matter how tough, life should be smiling.

不管有多难熬，人生都要眉眼带笑。

5·The winter in the north is always tough.

北方的冬天总是难熬。

坚硬的

1·The birch tree has white bark, and this tough protective outer layer of the tree, this white bark, is waterproof.

桦树有白色的树皮，树上这个坚硬的保护外层，这个白色的树皮，是防水的。

(1)tough guy[美口]硬汉

(1)tough it out[美国口语]勇敢地承受；坚持到底

(1)get tough with[口语]对…强硬起来

(1)tough cookie非常坚强的人；不易动感情的人；自信者

(1)tough luck坏运气；真不走运

(1)tough nut大胆果断的人；暴躁的人