burning question 最紧急的问题，十万火急，燃眉之急

　　We don't have enough money to pay the rent. That's the burning question.

　　我们的钱不够付租金啦，这是现在最十万火急的问题。

　　It's a burning question for me to decide which house to buy.

　　要买哪一个房子，对我来说是一个十万火急的问题。

　　疯狂练习吧！