ahead

在前面、向前

The road ahead was completely blocked by fallen trees.

前方的道路被倒下的樹木完全堵住了。

領先、佔上風

Our team was three points ahead at halftime.

中場休息時我們的隊伍領先三分。

在將來、往後

There are many difficult decisions ahead for the new manager.

新任經理往後還有許多困難的決定要做。

事先、提前、預先

You should book ahead if you want a window seat.

如果想坐靠窗的位子，你應該提前訂位。

在…前面、早於、勝過

She finished the project two weeks ahead of schedule.

她比預定進度提早兩週完成了這個專案。