Joan seems to have toughened up a lot since last year.

His attitude has toughened up since you last saw him.

自你上次见过他以来,他的态度更强硬了.

But the combine toughening a main method.

其中复合增韧是主要手段.

The law needs toughening.

需要加强法制的威力.

The toughening mechanism of epoxy resin using silica powder toughened by coating membrane was also discussed.

分析了微裂纹的形成与扩展,探讨增韧硅微粉对环氧树脂的增韧机理.

The toughening mechanism was found to be shear band.

EPDM对PP增韧机理遵从银纹-剪切带机理.

Laminated composite is a novel technical toughening ceramics.

层状复合是一种新型陶瓷增韧构型.

And the MEPDM also appeared a certain toughening action for the whiskers-nylon composites.

改性橡胶对晶须 - 尼龙体系也具有一定的增韧作用.

Toughening composite based on polymers is one of the trends of research in polymer science.

聚合物基复合材料的增初一直是高分子材料领域研究的热点之一.

Right now PepsiCo needs that growth as it faces a toughening economic climate.

目前,百事面临在严峻的经济气候中增长.

This article introduces the modification principle and toughening ways of BMI.

本文介绍了双马来酰亚胺树脂的改性原理及改性方法.

You must have had a much tougher time than we did.

你们要比我们辛苦得多.

And they lobby hard for more prisons, police, and tougher laws.

他们还竭力游说多建监狱, 多增警力, 并制定更加强硬的法律.

A leather bag is tougher than a paper bag.

皮袋子比纸袋子坚固.

But it's even tougher to be a television repairman.

但修理电视机(的人)就更复杂了.

The Chinese market is opening wider while the competition is also getting tougher.

中国市场是日益开放的,同时也是竞争激烈的.

This is the toughest crime bill that Congress has passed in a decade.

这是十年来国会通过的最严厉的一项刑事法案。

And I guess being the poor guy dying is the toughest of all?

我想你的意思是成为那个死人是最难的事?

Alcohol puts the liver through some of its toughest , most elaborate paces.

酒精使肝脏处于最为艰难,疲于奔命的状态之下.

What you just described is the next step, also the toughest.

你所说的就是下一步, 也是最困难的一步.

Q. Is this arguably the toughest defeat of your career?

这可算是你职业生涯中最艰难的一场失败 吗 ?