at stake什么意思解释？

at stake的音标：at stake的英式发音音标为：[æt steik]at stake的美式发音音标为：[æt stek]...

At stake are more than 20,000 jobs in Britain's aerospace sector.英国航天部门2万多人面临失业的危险。At stake is the success or failure of world trade talks.世界贸易谈判正处于成败的重要关头。The life of the sick man is at stake.病人的生命在危急中....