A hard hat for an extremely hard head.

这顶安全帽送给你这个顽固的家伙。

'Humble' worm saliva can break down tough plastic.

“谦虚”的蠕虫唾液可以分解顽固的塑料。

This phenomenon can help eradicate stubborn blood cancers.

这个现象能帮助患者清除顽固的血癌细胞。

Mixed with obdurate pride and steadfast hate

顽固的傲气和难消的憎恨交织着。

Tough plastics — ones that are difficult to break down — difficult to destroy.

顽固的塑料——难以分解的塑料——难以破坏。

Club soda works wonders on pet urine and other tough stains.

苏打水对宠物尿和其他顽固的污渍有奇效。

I said no because I knew where I was going.

她说，“你是个姑娘。顽固的家伙。

Excuse me. I'm a bit of a stickler Meeseeks.

不好意思 但是我是个比较顽固的使先生。

The mental circuit that connects effort to morality can be a stubborn one.

将努力与道德联系起来的心理回路可能是一个顽固的回路。

It was in vain to argue with him, for he was a very obstinate man.

与他争辩是徒劳的，因为他是个非常顽固的人。

I was wrong. Ilse was a stubborn 78-year-old force of nature.

我错了。伊尔丝是一位顽固的有自然之力的78岁老太。

It differs from a strategic weapon, which is designed to destroy cities and hardened military targets.

这种武器与旨在摧毁城市和顽固的军事目标的战略核武器不同。

Luckily back in the 1980s we still had antibiotics that worked against some of these really bad bacteria.

幸运的是，回到20世纪80年代，我们仍然有一些可以对付一些顽固的细菌的抗生素。

But the light indicates... Don't bother. I've wasted many an hour tilting at that particular windmill.

但如果灯亮了就说明...不用费心了。我已经浪费太多时间攻击这座顽固的风车了。

A hardened criminal, a hardened criminal, a hardened criminal.

顽固的罪犯, 顽固的罪犯, 顽固的罪犯。

But we do it, cause we need to, especially if we're trying to lose that stubborn weight.

但我们都会锻炼，因为我们需要。特别是，当我们需要减掉我们顽固的体重时。

Researchers at Cardiff University are looking to see if honey could help tackle some of the most stubborn infections.

卡迪夫大学的科研人员正在研究蜂蜜是否有助于对抗一些最顽固的感染。

Well we guess it all depends when a wooly stubborn flock, flocks to a " residence" .

嗯，我们猜这一切都取决于一群毛茸茸的顽固的羊群，成群结队地到一个“住所”。

When students were no longer around old environments and routines, their habits, even the strong ones, significantly changed.

当学生不再生活在旧的环境和习惯之中时，他们的习惯，即使是很顽固的习惯，也会发生显著变化。

Again the stubborn bull essayed to scramble to his feet.

顽固的公牛再次试图爬起来。