棘手

President Barack Obama faces a China that is growing richer and stronger while remaining tenaciously authoritarian. Its rise will be far more nettlesome than that of his own country a century ago.

巴拉克。奥巴马总统现面对一个日益富裕强大还保持铁腕专制统治的中国崛起，比一个世纪前美国的崛起处理起来更令人倍感棘手。

But senior administration officials said Messrs. Obama Hu didnt discuss one of the most nettlesome pieces of the deeply interwoven economic relationship between their countries -- Chinas recent unease with its vast holdings of U.S. dollar-based investments.

但美国政府高级官员说，奥巴马和胡锦涛没有讨论中国最近对其庞大美元投资的安全性表示的不安，这一问题是美中两国盘根错节经济关系中最为棘手的一个方面。

Ninian Mathew, director of the Houston Headache Clinic, said the findings suggested that botox, a purified form of the toxin that causes botulism food poisoning, could one day become a routine therapy for people with frequent, intractable migraine.

美国休斯敦头疼诊所主任尼尼恩·马修说，这一发现告诉人们，肉毒杆菌毒素这种引起被肉毒杆菌感染的食物有毒的毒素提纯物，有朝一日会成为治疗棘手的经常性偏头痛的例行药方。

Stakes rise for art looted by Nazis as lawyers move in 律师的介入,让纳粹搜刮的艺术品问题更棘手 Otto Nathan Deutsch, a Jewish businessman, lost his personal belongings as he fled Nazi Germany at the onset of World War II, including a painting by the German expressionist Emil Nolde.

二战爆发时，犹太商人Otto Nathan Deutsch为了躲避纳粹德国的袭击，逃离过程中，失去了包括德国艺术家Emil Nolde的油画在内的个人财产。

Giving life to the non-living neighbors is a little more tricky.

给予生命的非生物邻居是一个小更棘手。

The industry's most intractable problem, what to do with spent nuclear fuel, has not been solved.

业界最棘手的问题，如何处理用过的核燃料，一直未获得解决。

We got a nutcase with a bag full of guns.

我们有棘手的案子，外面有个装满枪的包

Moreover, even when it does so, there are knotty problems of obtrusiveness and privacy to be resolved before one could perform brain scans outside the laboratory.

此外，即便这种模型建构得成，要想在实验室之外的环境里进行人脑扫描，还要解决两个棘手的难题，那就是强人所难的唐突如何规避，个人隐私如何保护。

Intellect so you can help us old folks solve our most difficult problems.

我们需要你们每个人发挥你们的聪明才智和技能，以便帮助老一辈人解决我们面临的最棘手问题。

You've got to bite on the nail now.

你现在不得不解决最棘手的事啦。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。