at stake什么意思解释？

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....

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]...