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1·Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high.

除非你在为了让自己开心而努力减肥，否则要保持驱动力很高将很难。《柯林斯英汉双解大词典》

2·Life can be tough for immigrants in America.

在美国的移民生活可能会很艰难。

3·Scott Hahn, cofounder with Rogan and Loomstate, which uses all-organic cotton, says high-quality sustainable materials can still be tough to fine.

使用全有机棉的 Rogan 和 Loomstate 的联合创始人 Scott Hahn 表示，仍很难提炼到高质量的可持续材料。

4·Scott Hahn, the cofounder with Rogan and Loomstate, which uses all-organic cotton, says high-quality sustainable materials can still be tough to fine.

使用100%有机棉的 Rogan 和 Loomstate 联合创始人史考特·韩表示，仍很难提炼到高质量的可持续材料。

5·The answer is yes, but it may be tough for you to break into the world of high-tech at first, and anything you have done relating to computers in addition to your studies will be to your advantage.

答案是肯定的，但是一开始你可能很难进入高科技的世界；而除了学习之外你所做的任何与计算机有关的事情都将是你的优势。

6·It's going to be tough, but these guys learn quickly.

这会很难，但是这些家伙们学得很快。《柯林斯英汉双解大词典》

7·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。《牛津词典》

8·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》

9·It can be tough to begin and takes a little planning—running shoes by the front door, lunches made the night before, umbrellas on rainy days and hats on hot ones—but it's certainly worth trying.

开始时可能很困难，需要做一些计划——跑鞋放在前门，午餐在前一天晚上做好，雨天打伞，热天戴帽子，但这当然值得尝试。

10·Give yourself the resources to be tough by creating internal and external recovery periods.

通过建立内部和外部恢复期，为自己变强提供动力。