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

联国机构已经在世界上很多地区，展开预防为主的项目。

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?

听起来像是一个大工程，由一个国家来完成的话是不是量太大了？

It's something that has never been undertaken before.

这件事是前我们没做过的。

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。

As America's first environmentalist, John Muir lived his life forever daring to undertake new adventures.

作为美国首位环主义者，约翰·缪尔的一生一直勇于尝试新的冒险。

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

这是一大步，需要适当的思考和怀疑。

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

我今天向你们证，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。

All activities that are innocuous and at the time they were undertaken, were not illegal.

所有的活动都没有造成危害，目前都在正常进行，都是法的。

Then there are a number of actions that have been undertaken.

其次是采取了多项行动。

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

英国脱欧是议会有史来最具挑战性的项目之一。

But when we undertake the task of sharing people's lives, we have an added responsibility.

但当我们承担起分享他人生活的任务时，我们又有了新的责任。

A major review of army medical standards was undertaken with sweeping effects.

政府对军队医疗标准进行了一次重大审查，产生了广泛的影响。

Who should undertake the responsibility for white pollution? The producer or the consumer?

谁该为白色污染负责？是生产者还是消费者？

The Reference Division of the National Library is undertaking a development project.

国家图书馆参考部正在实施一项发展计划。

She even undertook the first detailed mapping of Russia.

她甚至第一次绘制了俄罗斯的详细地图。

The White House has said United States will undertake offensive operations to stop the cyber-attacks.

白宫表示，美国对网络攻击行为绝不手软。

I will undertake the responsibility of feeding your dogs while you are away.

当你不在时，我将承认担起喂狗的责任。

And maybe you're undertaking some less formal training.

也许你正在接受一些非正式的培训。