Level 5 · word 10,004 of 20,000

conundrum

/kəˈnʌndrəm/ American
  • n. 谜语, 难题
Definition
  • n. a difficult problem or a confusing riddle
Example
Choosing between the two job offers became a real conundrum.
在两份工作邀约之间做选择成了一个真正的难题。