1. 坚韧的　not easily cut
2. 坚强的　able to endure hardship
3. 粗暴的　rough
4. 老的，硬的　hard to cut or chew
5. 严格的，强硬的　severe
6. 困难的　difficult

　～ competition　激烈的竞争
　dreadfully ～　极其粗鲁的
　～ to work with　很难与…共事
　～ on　对…很严格

　He has a tough character.　他有一个坚韧的性格。
　She is a tough person.　她是一个坚强的人。
　This is a tough problem.　这是一个难题。
　He is dreadfully tough.　他极其粗鲁。
　The meat is inedibly tough.　这肉老得不能吃。
　This policy is very tough.　这个政策是很强硬的。
　They are very tough on drunk drivers.　他们对酒后驾车者十分严格。
　He is tough to work with.　他很难共事。

 ♣ get tough with
　采用强硬手段　take severe measures
　We had to get tough with him.　我们不得不对他采取强硬手段。

　［派生词］ toughish adj.有点儿强硬的‖toughly adv.有点儿强硬地‖toughness n.坚韧，严格‖toughen vti.（使某物〔人〕)坚韧，坚强，强硬
　［同义词］ hard, leathery, strong
　［反义词］ weak
　［词源］古英语toh（坚韧）