extreme urgency

基本解释

It was necessary that this should be done in one single day on account of the extreme urgency and rigor of events.
因爲事件的緊急性和嚴肅性，我們在一天之內把它完成。
It was necessary that this should be done in one single day on account of the extreme urgency and rigor of events. Other key positions were filled yesterday.
由於事態的極耑緊急和嚴峻，新閣政府須於一天之內組成，其他的關鍵崗位也於昨日安排就緒。
In the United States if you telephone someone very early in the morning, while he is shaving or having breakfast, the time of the call usually signals a matter of utmost importance or extreme urgency.
在美國，如果你一大早給別人打電話，那個人正在刮衚子或喫早餐，這個打電話的時間通常意味著事情極爲重要或十分緊急。
blog.sina.com.cn

Racing against time with an extreme sense of urgency, Martin began the battle of his life — for his life.
FORBES: 4 Insights from an Entrepreneur Fighting for His Life
The devastation wrought by Hurricane Sandy has focused minds on the urgency of improving the climate resiliency of coastal cities exposed to the fury of extreme weather events and rising seas.
FORBES: What Copenhagen Can Teach Cities About Adapting To Climate Change