他们试图用一道难题难倒她。
人生是一道难题，解答它。
人生是一道难题，解答它。
这给美联储出了一道难题。
她在聚精会神地解一道难题。
如何搭建木架，是一道难题。
当老师问了一道难题时，全班哑口无言。
The class remained dumb when the teacher asked a difficult question.
老师问了一道难题，最后约翰了的回答。
The teacher asked a difficult question, but finally John came up with a good answer.
人生是一道难题，解开它。
大众艺术是当代审美文化留下的一道难题。
Popular art is a difficult problem left by contemporary aesthetic culture.
那是一道难题。
但如何构建和完善，却是摆在我们面前的一道难题。
But how to construct and consummate, is actually a difficult problem before us.
老师问了一道难题，但吉姆很快做出了一个很好的回答。
The teacher asked a difficult question, but Jim came up with a good answer soon.
人生有一道难题，那就是如何使一寸光阴等于一寸生命。
Life has a problem, that is how to make an inch of time is an inch of life.
人生有一道难题，那就是如何使一寸光阴等于一寸生命。
A problem in life, and that is how to make an inch of time is equal to an inch of your life.
这带来了一道难题，由于霍金射线并不传递有关黑洞内部的任何信息。
This poses a puzzle, because Hawking radiation does not convey any information about the interior of a black hole.
然而面对众多良莠不齐的产品，如何选择却成为一道难题。
However, faced with the many varied products, how to choose has become a problem.
球小轴球径的高精度批量测量一直是计量工作中一道难题。
The diameter of ball-little-spindle and diameter high-accuracy batch measurement are difficult problem in the work.
最后一道难题是 APIErrHandler()函数。
The final piece to the puzzle is the APIErrHandler() function.
新农村建设是我国新时期建设的一项大事，同时也是一道难题。
New village development is not only a big issue but also a difficult problem in China at present.
如何安全、高效地开发石油资源是摆在石油工业面前的一道难题。
How safety, develop efficiently the petroleum resources is a hard nut to crack to put in the petroleum industry in front.
为父母分担一件家务，为老师献上一束鲜花，为同学解答一道难题。
For parents to share a home, for teachers presented a bouquet of flowers for classmates to answer a difficult problem.
这道题看起来很简单，但当你要解它时你就会发现它确实是一道难题。
The problem looks simple enough, but when you come to try and solve it you'll find it's a real teaser.
提花织物工艺设计中的用纱比确定一直是摆在技术人员面前的一道难题。
It has been a difficult problem for technical personnel to estimate the yarn consumption ratio in the technological design of jacquard fabric.
这个问题看起来简单，但是你要“解开”它时你就会发现它还真是一道难题。
The problem looks simple, but when you try to unlash it you'll find it's a real teaser.
这个问题看起来简单，但是你要“解开”它时你就会发现它还真是一道难题。
The problem looks simple, but when you try to unlash it you'll find it's a real teaser.
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