the sixty-four thousand dollar question
noun /ðə ˌsɪksti fɔː ˌθaʊznd ˌdɒlə ˈkwestʃən/
/ðə ˌsɪksti fɔːr ˌθaʊznd ˌdɑːlər ˈkwestʃən/
(informal)- the thing that people most want to know, or that is most important
最想知道（或最重要）的事情；关键问题 - It’s a clever plan, but the sixty-four thousand dollar question is: will it work?
这是个绝妙的计划，但最重要的是，行得通吗？
词源From the name of a US television show which gave prizes of money to people who answered questions correctly. The correct answer to the last question was worth $64 000. - It’s a clever plan, but the sixty-four thousand dollar question is: will it work?