您要查找的是不是：
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- All this toughness does not sit well with everyone. 所有这种强硬的做法并非人人都能接受。
- toughness reguirements 韧性要求
- He'll never pay up unless you get tough with him. 你对他态度强硬，他才会还清债务。
- You need to be tough to survive in the jungle. 要在丛林中活下来就要有坚忍不拔的意志。
- This tube is flexible but tough. 这管子柔软但很坚固。
- The company faces tough competition. 这家公司面临着艰难的竞争。
- Conditions are rather tough here. 这里条件比较艰苦。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- She won't last long in that job it's too tough. 她做那件工作坚持不了多久--那工作太困难。
- Any of several tough, porous leather substitutes. 通气性强的塑料几种粗糙的多孔的皮革代用品
- It's time to get tough with football hooligans. 现在该对足球迷小流氓采取强硬措施了。
- He lives in a tough neighborhood. 他住的地区邻里非常粗野。
- A spell of tough luck discouraged us. 一阵坏运气令我们大为沮丧。
- This material is as tough as leather. 这料子像皮革般坚韧。
- We are going to hang tough on this. 关於这件事,我们坚持到底。
- It was then a tough nut to crack. 在那时是一桩很棘手的事。
- Painting the ceiling was a tough nut to crack. 油漆天花板是件难事。
- This car is a tough baby to drive. 这辆车可不太好开。
- The steak was so tough I couldn't eat it. 牛排太老了,我咬不动它。
