这些动词均含“离开某处”之意。
depart : 较正式用词，指经过周密考虑或郑重地离开，强调离开的起点。
- Flights for Rome depart from Terminal 3.
飞往罗马的班机从3号航站楼出发。 - She waited until the last of the guests had departed.
她一直等到最后一个客人离开。 - The train departed Amritsar at 6.15 p.m.
火车在下午6点15分离开了阿姆利则。
leave : 侧重出发地而不是目的地。
- I'll be leaving at five o'clock tomorrow.
我明天早晨5点钟离开。 - He left the house by the back door.
他从房子的后门离开了。 - She left the group of people she was with and came over to speak to us.
她离开了人群，走过来和我们说话。 - The bus leaves in five minutes.
公共汽车5分钟后发车。
go : 一般用词，指从所在地到其它地方去，着重目的地而非出发地。
- Is it midnight already? I really must go/must be going.
都已经到半夜了？我真的得走了。 - She wasn't feeling well, so she went home early.
她感到不舒服，所以提前离开回家了。 - What time does the last train to Bath go?
去巴斯的最后一趟火车什么时侯开？ - I'm afraid he'll have to go (= be dismissed from his job) - he's far too inefficient to continue working for us.
恐怕他得走人了——他实在太不称职，没法继续在这儿干下去。 - This carpet's terribly old and worn out - it really will have to go (= be got rid of).
这张地毯破旧不堪，磨损严重——必须得换了。
start : 可与leave换用，强调目的地，但不及leave普通。
- What time are we starting tomorrow?
我们明天什么时候出发？
quit : 侧重指离开令人烦恼的地方，或摆脱使人不快的人或事。
- We decided it was time to quit the city.
当时我们决定，该离开城市生活了。 - The landlord gave them all notice to quit .
房东通知他们都搬出去。 - Police were called when he refused to quit the building.
他拒绝离开那座大楼，于是人们叫来了警察。
set out : 书面用词。
- When setting out on a long walk, always wear suitable boots.
每次出发远行，都要穿合适的鞋子。 - The troops are about to set out.
部队就要出发了。 - They set out in a westerly direction along the riverbank.
他们沿着河岸向西出发了。 - He got up at four and set out on foot to hunt black grouse.
他4点钟起了床，徒步出发去猎杀黑琴鸡。 - Four of the most powerful men in Russia set out on a top-secret mission.
俄罗斯最有势力的四个人身怀绝密任务出发了。
