那么把它关了,这是紧急事件!
Well, turn it off, it's an emergency!
他碰到紧急事件时总是保持镇定.
He always keeps/stays clam in an emergency.
发生了紧急事件.
Something have come up.
在处理紧急事件时,速度是非常重要的.
Speed is of the essence in dealing with an emergency.