Definition
Earlier than planned or expected; before the deadline.
比预定时间早；提前
Due to the team's high efficiency, our work is being completed ahead of schedule.
由于团队的高效率，我们的工作正在提前完成。
They worked diligently, and as a result, the project finished two weeks ahead of schedule.
他们勤奋工作，结果项目提前两周完成。
We are delighted to announce that the product launch is ahead of schedule.
我们很高兴地宣布产品发布提前了。