1. A spell of tough luck discouraged him.
   一段时间的厄运使他失去了勇气。
2. Smith is as tough as they come.
   史密斯非常强壮。
3. The meat is too tough to eat.
   这肉老得不能吃。
4. This steak’s as tough as old boots.
   这块牛排跟牛皮一样嚼不动。
5. Stoneware is tough and cannot be scratched.
   粗陶器很硬, 不会被划出痕迹。
6. The general assigned him to do the tough task.
   将军派他去完成这项艰巨的任务。
7. You have to be tough with these young thugs.
   对这些青年暴徒态度一定要强硬。
8. MPs called for tougher enforcement of the existing laws on drugs.
   下院议员呼籲加强现行毒品法律的执行力度。
9. Are you sure you’re physically tough enough for this job?
   你确信你有足够的体力胜任这份工作吗？
10. A fleshy berry-like fruit with a tough rind, as a lemon or orange.
    Hesperidium 具坚韧果皮的浆果状肉质果实，如柠檬或柑橘。
11. Her public stance was much tougher than her private feelings on the subject.
    在这一问题上，她公开的立场比她私下的态度要强硬得多。
12. Self-confident, ambitious and positive, Paula is a tough cookie who is bound to do well.
    葆拉自信、乐观、有抱负,且相当有主见,她肯定会有所成就。
13. He is tough to work with.
    他很难共事。
14. Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about a tough,fracture-resistant core.
    表面硬化包含一个高硬度、耐磨性的壳以及高韧性的芯。
15. She touched its tough irregular surface.
    她碰到了它那粗糙不平的表面。
16. He is dreadfully tough.
    他极其粗鲁。
17. This meat is tough.
    这肉咬不动。
18. This policy is very tough.
    这个政策是很强硬的。
19. This is a tough problem.
    这是一个难题。
20. He is a tough onion.
    他是一条硬汉。

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