汉英词典
Chinese-English Dictionary
MEANING OF 難題
難題 (难题)
difficult problem
不易解答的题目。 不易解决的问题。
() nán/nàn () tí
EXAMPLE SENTENCES

这个难题使我绞尽脑汁。

The difficult question tasked my brain.

他用难题来窘我。

He embarrassed me with a difficult question.

他努力地想解出难题

He tried to work out the problem.

他们试图用一道难题难倒她。

They tried to catch her out with a difficult question.

考试时彼得冥思苦想,设法解答难题

Peter racked his brain during the test trying to solve the problem.

这道数学难题难倒了大多数学生。

This problem tripped up most of the students.

这一难题,主要存在于一般单音词中。

This problem mainly dwell in the common monosyllabic words.

爱情它是个难题,让人目眩神迷。

Love it is a problem, people blinking.

试题库自动组卷问题是一个NP难题

Automatic test paper generation is a NP hard problem while restrictions exist.

如何提高产品质量对他来说可是个难题

How to improve the quality of products was a difficult problem to him.