conundrum

US /kəˈnʌn.drəm/
UK /kəˈnʌn.drəm/
"conundrum" picture
1.

难题, 谜语, 困境

a confusing and difficult problem or question

:
The politician faced a difficult conundrum regarding the new policy.
这位政治家在新政策上遇到了一个棘手的难题
Solving this mathematical conundrum will require a lot of effort.
解决这个数学难题需要付出很多努力。
2.

谜语, 双关语

a question asked for amusement, typically one with a pun in its answer; a riddle

:
He loved to tell silly conundrums to make everyone laugh.
他喜欢讲些愚蠢的谜语来逗大家笑。
Can you solve this old conundrum?
你能解开这个古老的谜语吗?