1.提早,比原定提前地
2.“ahead of time/schedule”的变体
1.The variant of ahead of time/schedule
1.All the tasks having been fulfilled ahead of time, they decided to go on holiday for a week.
因为所有的任务都提前完成，他们决定度假一周。
2.When they've been apprised of your emergency action plan ahead of time, they're better prepared to help.
当他们对你的紧急行动计划有了提前的了解，那么他们就可以为紧急救援做更充分的准备。
3.That means you should at least give it a little thought so you can think of a good answer ahead of time.
这意味着你至少应该给它一个不大的思想，使您可以想到的一个很好的答案提前的时间。
4.Heading home after a day's work, he never knew ahead of time whether he would encounter Rhoda, the charmer or Rhoda the crab.
忙碌了一天以后，在回家的路上，他总是无法预料他会遇到什么样的罗达，是可爱的罗达呢，还是唠叨的罗达。
5.All right, your teaching fellows have the authority to work with me and grant you an extension, but you have to ask for it ahead of time.
明白吗，你们的助教可以和我商量，批准你们延期，但你们必须提前申请。
6.He knows his direction even if he did not know ahead of time that he would have to answer the specific question posed.
他虽然事先并不知道，但他知道他的方向，他当然会回答提出来的这个具体问题。
7.I'm afraid I can't switch schedules with you at the last minute. You have to at least let me know ahead of time.
我恐怕不能临时跟你换排班。你至少应该早一点跟我商量才好。
8.I'm a little ahead of time, I know, but it would be better to wait here rather than miss the train.
我想我来得稍早了一点，不过，就是在这儿等，也比赶不上火车好。
9." They answered, " We did not know, but our leader had warned us ahead of time, and when he saw it he knew.
商队里的人回答：“我们不知道，但我们的队长事先警告过我们。当他看见这棵树时就知道了。”
10.Parsing this syntax is equally ambiguous, and you must know the layout of an XML response ahead of time to be able to make sense of it.
语法解析同样含混，你必须先知道XML响应报文的布局，然后才能搞清楚它的含义。