And here we stray into the thorny territory of medical ethics.

由此们进入了医学伦理学的棘手领域。

But the economics of nuclear power are thorny.

但是，核能的经济性问题十分棘手。

King was a thorny, prophetic, demanding thinker.

金是一位富有争议、有先见之明、要求苛刻的思想家。

At the same time, the policy addresses none of the truly thorny questions about homework.

同时，该政策没有处理家庭作业真正棘手的问题。

And being thorny still gets me in trouble.

你这带的态度还是会。

Hamilton even tackled the thorny question of why sex exists when asexual creatures can reproduce so much faster than those that mate.

Hamilton甚至研究过在无性繁殖比有性繁殖繁殖得更快的情况下，为什么还存在性的棘手问题。

Our country has braved thorny paths and confronted stormy weather over the past seventy years.

70年披荆斩棘，70年风雨兼程。

I wasn't alarmed, because I knew I had done what I'd been hired to do: my job, dealing with thorny issues head on and leaving no stone unturned.

丝毫没有感到惊慌，因为，只是做了该做的事：的工作，就是处理棘手的事务，掀开每一块石头，仔细查看，不留死角。

Owner Mark Chanauv says his 35 vendors face the same thorny economic issues as any other retailer as growers and supplier's countdown to a second pandemic era Valentine's Day.

店主Mark Chanauv说，他的35个供应商面临着和其他任何零售商一样棘手的经济问题，因为种植者和供应商正在倒计时迎接第二个疫情时期的情人节。

On the way home, he had to ride through a thorny black wood.

在回家的路上，他要骑马穿过一片荆棘遍地的黑暗丛林。

AI could, they claim, help humanity solve some of its biggest and thorniest problems.

他们声称，人工智能可以帮助人类解决一些最大、最棘手的问题。

They divert moisture from the driest, hottest badlands and carry rainfall to thorny jungles.

它们将水分从最干燥、最热的荒地转移并以降雨的形式带到丛林中。

Whether A.I. can ever truly be creative is a thorny subject.

人工智能是否能真正具有创造性是一个棘手的问题。

On the agenda is trade but also the thorny problem of North Korea's nuclear ambitions.

此行的议程是贸易，以及朝鲜核威胁的棘手问题。

The state of Western Sahara is likely to remain a thorny issue.

西撒哈拉问题依然非常棘手。

But what to do with him has been one of the most thorny issues.

但如何处置他一直是最棘手的问题之一。

In the drier parts of the island, the phasmids have adapted to the thorny vegetation.

在岛上较为干爽的地方，有些竹节虫已经适应了多的植物。

To deter these animals, thorny poisonous mathenge trees were planted to serve as walls.

为了阻止这些动物，学校种植了带的有毒马蹄铁树，作为围墙。

And then she found the yellow hat on the thorny herbs.

然后她在带的草上找到了黄色的帽子。

So, imagine thorny bushes being wrapped tightly, sounds painful, right?

想象一下，荆棘被紧紧地包裹起来，听起来很痛苦，对吧？