dicyme

例句：

1. 1. He was caught in a dilemma when he had to choose between two equally good options.
   他面临着一个两难境地，必须在两个同样好的选项中做出选择。
2. 2. The scientist faced a conundrum when trying to solve the mystery of the missing data.
   科学家试图解决失踪数据的谜团时遇到了难题。
3. 3. The company was stuck in a quandary when it had to decide whether to invest in a new technology or not.
   当公司必须决定是否投资新技术时，它陷入了两难境地。