ahead of schedule

汉语翻译

例句：

1. In spite of all the difficulties, we fulfilled our task ahead of schedule.
   尽管有许多困难，我们还是提前完成了任务。
2. I can usually finish the in-class exercise ahead of schedule but this time someone has got there first.
   我通常都可以提前完成堂上练习，但这一次有人比我更早完成。
3. The task will be finished ahead of schedule if nothing prevents.
   ＂如果没有什么阻碍的话，这项任务将提前完成。＂
4. Let's work harder so that we may fulfil our plan ahead of schedule.
   让我们再加把劲以便能提前完成任务。