棘手的英文：
thorny (problem)
intractable

Troublesome or onerous.
棘手的，麻烦的

It's a political hot potato.
它是个棘手的政治问题。

The unemployment is a real hot potato.
失业真是件棘手的事。

The racial discrimination issue is a political hot potato.
种族歧视问题是政治上的棘手问题.

Pushing the handcart,they had to run up so that is will not slip back on the slope of the road.
他对这个棘手的问题避而不答。

A few confusing questions tripped up the suspect.
几个棘手的问题使嫌犯泄漏了真情。

He who handles a nettle tenderly is soonest stung. ——John Lyly
遇上棘手的事若优柔寡断，必受其害。——黎利

Let's move on to the prickly subject of taxation reform.
咱们继续讨论下一项税制改革这个棘手的问题吧。

It might be worth your while to go to court. This is tricky, though, and you'll need expert advice.
你来说这官司或许值得一打，不过这件事有点棘手，你需要专家的建议。

feel a delicacy about
感到棘手

Cacti are thorny.
仙人掌多刺。

There are some thorny hawthorn trees in the garden.
花园里有几棵长满刺的山楂树。

thorny Eurasian shrub with dry woody winged fruit.
欧亚的一种多刺灌木，具有干燥的多毛翼状果实。

It was a complex problem.
这是一个复杂的问题。

Is the problem that easy?
问题有那么简单吗?

This is a prime problem.
这是一个有关质数的问题。

The economy still faces intractable problems.
经济仍然面临着一些棘手的问题。

At bottom we knew how intractable the world was.
实际上，我们知道这个世界是多么难对付。

Fox, as the less proud and intractable of the refractory pair, was preferred.
福克斯是这两个脾气倔强人中较少傲气和较为容易控制的一个，因此被看中了。