我觉得应该用这一句：Do you have to go?
我们用汉语说“你很急吗”，可能在你说的那个场合都能理解。但是在英语环境下，如果你在上述吃饭场合跟老外说“Are you in a hurry”却很容易引起误解。因为吃饭时如果有人要先走，说明他一定是有事（也许是预先已定好的事），而“Are you in a hurry”是指他是不是很着急要在当时的场合做某些事。因此，“Do you have to go”更能表达你要说的意思。
紧急有紧张、急迫、危急的意思，表示需要马上行动，刻不容缓，一般用于紧急行动。那么你知道紧急用英语怎么说吗?下面来学习一下吧。
紧急英语说法1：
urgent
紧急英语说法2：
emergent
紧急的相关短语：
紧急的 urgent ; pressing ; instant ; emergent
紧急照明 Emergency Light ; Emergency power supplies ; emergency lighting fixture
紧急下潜 Crash Dive ; quick diving ; Das Boot ; Crash dive Emergency dive
紧急信号 urgency signal ; emergency signal ; urgent signal ; alarm signal
紧急着陆 emergency landing ; Crash Landing ; Any Landing ; eergen landing
紧急通道 emergency access ; escape route ; Emergency Entrance ; EMERGENCY EXITS
紧急电源 Emergency Power ; emergency electric power source ; emergency supply
紧急手术 emergency surgery ; emergency operation
紧急疏散 emergency evacuation ; Urgent Evacuation ; ARERT
紧急的英语例句：
1. The government is taking emergency action to deal with a housing crisis.
政府正采取紧急措施解决住房危机。
2. There are many emergencies which need prompt first aid treatment.
有很多紧急情况需要进行迅速的急救处理。
3. Exceptionally, in times of emergency, we may send a team of experts.
在紧急情况下，我们可能会破例派一个专家小组。
4. A light aircraft crash-landed on a putting green yesterday.
一架轻型飞机昨天在一个高尔夫球场的球洞区紧急降落了。
5. They escaped through an emergency exit and called the police.
他们从紧急出口逃脱，并报了警。
6. The Prime Minister has called an emergency meeting of parliament.
首相已召集议会召开紧急会议。
7. His plane made a crash-landing during a sandstorm yesterday.
昨天他的飞机在沙尘暴中紧急降落。
8. A survivor was knocked unconscious when the helicopter ditched.
在直升机紧急迫降时，一名幸存者被撞昏过去。
9. Emergency cooling systems could fail and a reactor meltdown could occur.
紧急冷却系统有可能失灵，核反应堆有可能发生堆芯熔毁。
10. He needed emergency surgery to remove a blood clot from his brain.
他需要进行紧急手术以清除脑部的一处血块。
11. The ferry did not even have time to send out an SOS.
渡船甚至连发出紧急呼救信号的时间都没有。
12. Colombia has called out the army and imposed emergency measures.
哥伦比亚出动了军队，并采取了紧急措施。
13. The public is urgently requested to assist police in tracing this man.
紧急要求公众帮助警方追踪此人。
14. The Prime Minister is expected to call a crunch meeting on Monday.
预计首相将于周一召开紧急会议。
15. He arrives in his biplane and crash lands it in a tree.
他驾驶双翼飞机到达，在一棵树上紧急降落。
