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

它们无条件的爱，还疲倦的玩耍劲头？

You also seem to tour the globe tirelessly giving talks.

你似乎还世界各地疲倦地做演讲。

Researchers are tirelessly studying the biology of these pathogens.

研究人员疲倦地研究这些病原体生物学。

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

搜救队疲倦地工作，以确保人们的安全。

Even before she boarded that bus, she was an activist; a tireless pursuer of justice.

甚至她登上那辆公共汽车之前，她就一名积极分子；疲倦地追求义。

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

光荣归于疲倦、分昼夜、献事业、增进人类幸福、减轻人类痛苦的天才！

Undaunted, Agassiz traveled tirelessly to promote his theory.

阿加西斯并没有气馁，他疲倦地多方奔走，四处游说，宣传他的理论。

Our entire board and our staff, all of them who work tirelessly, thank you so much.

还有我们全体董事会成员和员工，他们全部都疲倦工作的人，非常感谢你们。

He fought tirelessly for the Reform Act of 1867 which gave the vote to working-class men.

布莱特曾经为给予了劳工阶层投票权的1867年改革法案而疲倦的斗争。

Of those 1.7 million different viruses I mentioned, an estimated 40% could infect humans pretty easily.

科学家和官方人员得疲倦地工作，以防止禽流感蔓延到人类。我提到的170万种同的病毒中，估计有40%能轻易地感染人类。

Some help is already there. Search and rescue teams are working tirelessly to get people to safety.

目前一些援助已经就位。搜救团队疲倦地工作，努力将人们送往安全地带。

It's an adjective that means persisting tirelessly, like me when I was trying to pronounce that word.

这一个形容词，意思疲倦地坚持，就像我刚才努力读准这个词的发音一样。

The police have been working tirelessly to give accurate information to anxious family members and the public.

警方疲倦地工作着，给焦虑的家人和民众提供准确信息。

From her bed, the great medical reformer tirelessly advocated for equal treatment of the poor by nurses and doctors.

这位伟大的医学改革家病床上疲倦地倡导护士和医生平等对待穷人。

Thank you for working so tirelessly to provide for us and for giving us the most amazing life together.

谢谢你疲倦地工作，让我们拥有最美好的生活。

Tricia Filley, the club's indefatigable secretary, who was just sitting down at home to cereal with her husband, Alan.

俱乐部中那位疲倦的秘书特里西亚·菲利，她和丈夫艾伦坐家里吃麦片粥。

But behind all this big business is the tireless work of many many little independent insect collectors, like Jose Heredia.

过这庞大产业背后许多独立昆虫收集者们疲倦的工作就像侯赛·何莱迪。

Another adjective to describe someone who will not give up is indefatigable.

另一个形容会放弃的形容词疲倦。

Our subway trains are controlled by tireless robot-drivers.

我们的地铁列车由疲倦的机器人司机控制。

A more resolute, indefatigable pioneer never wrought amidst rocks and dangers.

岩石和危险中，从未有过如此坚定移、疲倦的开拓者。