Is it their unconditional love, their tireless desire to play?

它们无条件的爱，还不知疲倦的玩耍劲头？

They illuminated his tired, gray face, but his eyes looked alert and wary.

火光照亮了他疲倦发灰的脸，但他的眼睛却警惕而小心谨慎的。

I felt as if he'd never know fatigue.

我觉得他好像永远也不会疲倦。

Honour to those indefatigable spirits who consecrate their vigils to the amelioration or to the alleviation of their kind!

光荣归于不知疲倦、不分昼夜、献身事业、增进人类幸福、减轻人类痛苦的天才！

I can just imagine a scene with a typist sitting on an old-fashioned typing chair, her back aching, exhausted, then we show her in one of your chairs. Her back properly supported filling full of energy, typing twice as quickly.

我直接就能想象出这样一个场景：一位打字员坐在一张老式的椅子上，她腰酸背痛，神情疲倦，这时我们把中一种椅子展示在她面前，坐上去后她的背得到了很好的支撑，全身充满了能量，打字的速前的两倍。

But then I, I start to get tired or my mind wanders off.

但然后，我开始感到疲倦或走神。

For five days he toiled footsore and weary through the defiles which he had already traversed on horseback.

他沿着先前骑马走过的道路，千辛万苦地走了五天；只走得疲倦已极、脚痛难忍。

Researchers are tirelessly studying the biology of these pathogens.

研究人员正在不知疲倦地研究这些病原体生物学。

But as they go on, he becomes more lethargic, he looks less well.

但随着剧集的继续，他变得越来越疲倦，气色越来越差。

I was working nonstop and that was basically the only thing I was focused on.

我不知疲倦地工作，这基本上我唯一专注的事情。

To make up for lost time he studied indefatigably, for he wished to enter his new profession with the least possible delay.

为了弥补失去的时间，他不知疲倦地学习，因为他希望能没有半点耽搁就开始他新的职业。

As we look ahead in our uniquely American way, restless, bold, optimistic, and set our sights on a nation we know we can be and we must be, I thank my predecessors of both parties for the presence here today.

当我们以独特的美国视角向前看时，我们不知疲倦、大胆、乐观，并把目光投向了一个我们知道自己能够而且必须成为的国家，感谢两党前辈们的到场。

Ditto for the sugar in soda and many fruit juices. Above all, stay hydrated: Dehydration is a powerful energy sapper.

汽水和许多果汁中的糖也如此。最重要的，一定要补水。脱水 让人感到疲倦的主要原因。

Above all, thanks to you, to the British people, to the voters for giving me the chance to serve all of you who worked so tirelessly together, to beat Covid, to put us where we are today.

最重要的，感谢你们，感谢英国人民，感谢选民给我机会为你们所有人服务，你们一起不知疲倦地工作，击败新冠病毒，让我们取得今天的成就。

Unlike any of these typical responses, I'm proud to say that I love to dance salsa after a long and tiring day of work.

和这些常见的回答不同，我会很自豪的说，在结束了一天疲倦的工作后，我会去跳萨尔萨舞。

Search and rescue teams are working tirelessly to get people to safety.

搜救队正在不知疲倦地工作，以确保人们的安全。

We see it in the selfless dedication of our Armed Forces and emergency services, who work tirelessly to keep us all safe, and who performed so magnificently as we mourned the passing of our late Queen.

我们从我们的武装队和应急服务的无私奉献中看到了这一点，他们不知疲倦地工作以保证我们所有人的安全，他们在我们哀悼已故女王时表现得如此出色。

Along time ago before the invention of electric lighting, our bodies use this method to allow us to stay awake when the Sun was out and allow us to feel tired and rest when the Sun went down.

在电灯发明很久前，我们的身体用这种方法来让我们在白天醒着，让我们在晚上觉得疲倦而去休息。

Firefighters say it's been a traumatic, exhausting and anxious bushfire season so far, but that the containment of the blazes will allow emergency workers to now focus on helping people rebuild.

消防员说，到目前为止，这个野火季最令人痛苦、疲倦且不安，但好在火势得到了控制，救援人员现在能集中精力帮助人们重建家园。

Ted liked it very much and he did not get very tired.

特德很喜欢这个运动，一点也不感到疲倦。