as early as

例句：

1. 1.We need to finish the work before the deadline.
   我们需要在截止日期之前完成这项工作。
2. 2.She arrived as early as possible to avoid the traffic.
   她尽可能早地到达，以避免交通堵塞。
3. 3. He set off as early as he could, hoping to catch the first train.
   他尽可能早地出发，希望能赶上第一班火车。