C1 当务之急，亟待解决的问题
a subject or question that must be dealt with or answered quickly
This has quickly become the burning issue of the day.
In today's show, four guests share their opinions on some of the burning issues facing the nation.
She was less impressive on the burning issue of the economy.
We'll attempt to answer all your burning questions about the all-important final this Saturday.
The burning question is whether the young voters will turn out as they could decide the outcome of this election.
See also: burning (STRONG)