vi.1. 持续[Q]How long will the meeting last?会议要开多久?2. 持久;保持良好状态These shoes will last.这些鞋经久耐穿。3. 维持;够用Our water will not last long.我们的水快要用完了。vt.1. 度过,拖过[(+out)]He is very ill, and isn't expected to last the night.他病得厉害,估计拖不过今夜。2. 够...之用The food will last us a few more days.食品够我们再吃几天。参考资料:http://www.baidu.com/s?tn=yokcom&ie=gb2312&bs=excurtion&sr=&z=&cl=3&f=8&wd=last&ct=1048576