I undertook to teach the children English.

我答应教孩子们英语。

Sounds like a big project. Isn't it too big for one country to undertake?

起像是一个大工程，由一个国家完成的话是不是量太大了？

So we must undertake the rigorous, painstaking, and yes, sometimes plodding task of listening carefully to the broad range of perspectives that surround us, instead of blazing forth complacently.

所以，就算有时候很辛苦，我们也要一丝不苟地倾身边的各种看法，而不是自鸣得意、盲目前进。

It's something that has never been undertaken before.

这件事是以前我们没做过的。

Will you undertake a review of his work? Just to be on the safe side.

你愿意检查他的医病记录么？就是为慎重起见。

UN agencies have been undertaking such prevention focused initiatives in many parts of the world.

联合国机构已经在世界上很多地区，展开各类以预防为主的项目。

Actually from an employer's point of view, certainly, any form of experience and skills acquisition that you've undertaken is valuable.

实际上，从雇主的角度看，你所获得的任何形式的经验和技能都是有价值的。

But the solutions to our problems begin on a human scale with building a shared understanding of the work ahead and with undertaking it together.

但问题的解决始于一群拥有共同目标且愿意一同行动的人。

That's a big step to undertake, and needs proper contemplation and skepticism.

这是一大步，需要适当的考和怀疑。

I undertake today to be the custodian of the dreams of all.

我今天向你们保证，我要实现我们的所有梦想。

They can never be relied upon to do well anything they undertake.

你永远不能指望他们做好任何工作。

Yeah, it's just another one of this year's routine missions. The first mission was undertaken a decade ago and broadcast live then worldwide.

是的，这是今年的另一个飞行任务。第一个飞行任务在十几年前执行，并全球直播。

And I found this sentence " Being able to undertake research on animals in zoos where there is less risk and fewer variables means real changes can be effected on wild populations."

“能够在动物园里对动物进行研究，风险较小，变量较少，这意味着野生种群会受到真正的影响。”

In a gesture to help preserve history, the Greek government appointed a committee in 1975 to undertake a complete repair of the Acropolis.

以一种帮助保护历史的姿态，希腊政府在1975年成立了一个委员会，开始对雅典卫城进行彻底的修复。

Older people who watch more television are also less likely to undertake activities known to preserve mental functioning, such as reading or interactive screen base pursuits, such as using the internet or playing video games.

看电视次数更多的老年人也不太可能从事已知能保持心理机能的活动，例如阅或进行交互式屏幕游戏，例如使用互联网或打游戏。

Brexit is one of the most challenging projects ever undertaken by parliament.

英国脱欧是议会有史以最具挑战性的项目之一。

By wearing large ruffs made out of the finest materials adorned with lace and decorated with gold, these noble folks demonstrated to the world that they didn't have to perform tasks like those undertaken by commoners.

这些贵族们佩戴着用上等材料做成的大颈圈，上面缀有蕾丝和金饰，这向世人展示了他们不必像平民那样从事辛苦劳作。

So you see her and Prince Philip undertake both a world tour and a tour of the U.K. reaching every single corner to ensure that they meet as many people as possible.

所以大家看到她和菲利普亲王走访了世界以及英国各地，到达每一个角落，以确保他们结识尽可能多的人。

For any helicopter flights that you undertake over lands, you can basically just step in, but when you fly offshore you need to do a circle.

如果你开直升飞机要落在陆地上，你直接降落在上面就行了，但当你飞去海面时，你就得像一个圆一样盘旋了。

Investigative Committee Deputy chairman Alexander Fedorov says that U.S. biological infrastructure near Russia is undertaking " uncontrolled and unrestricted expansion."

调查委员会副主席亚历山大·费多罗夫表示，美国在俄罗斯附近的生物基础设施正在“不受控制、不受限制地扩张”。