难题

It is a hard nut for him to crack.

对而言是一个。

He embarrassed me with a difficult question.

出一道把我住。

She handles this difficult subject with a light touch.

她处理起种来得心应手。

Will the negotiators be able to untie the Gordian knot?

判者能够果断地解决个吗？

He is absorbed in the calculation of that difficult maths problem.

全神贯注地在算那道数学。

Who do you admire most? That's a toughie.

你最钦佩的人是谁？可是个。

This thorny problem on the environmental protection floored the new mayor.

个关于环境保护的棘手把新任市长住。

He put forward a baffling question.

提出一个。

The dilemma presented quite a poser.

困境给人很大的。

I challenged him to make good his boast.

我给出个，让兑现自己夸下的海口。

I've just had a brainwave; I know a new approach to the difficult problem!

我刚才灵机一动,突然想出一个解决一的新办法!

Inflation is the Government’s main bugbear.

通货膨胀是政府的主要。

He is meeting the tickler successfully.

在顺利地处理着。

On the surface she can be very pleasant and helpful, but underneath she’s got problems.

表面上她亲切和气又乐于助人，可实际上她也有。

You've posed an awkward question.

你已经提出一个。

It's a hellish problem.

是一个令人讨厌的。

"A missing piece of the puzzle has always focused on pin-pointing when Gigantopithecus existed," said Rink.

“一个长期令我们费解的，在于判定巨猿曾经存在的时间。”

The relapse of orthodontically rotated teeth can be a serious problem in occlusal stability after orth-odontic treatment.

扭转牙的复发是正畸临床治疗后牙稳定性的之一。

That was a stumper. We brought experts from the media, coaches, scouts, a GM or two. Nothing.

的确是个，从媒体，教练，球探或者球队经理们那里得出的答案都各不相同。

And keeping the satellite's huge beam and the distant rectenna reliably synced up also stands as an unsolved technical issue.

而要使卫星发射出来的巨大微波束与地面的网格形天线一直保持同步，也是一个尚未解决的技术。