赶

赶

"赶" means "to hurry," "to catch up," or "to drive (e.g., livestock)."

Here, 赶上 represents the need to get to or catch up with something, again emphasizing urgency or the action of reaching.

我们需赶上最后一班公交车。

We need to catch the last bus.

Here, 赶 indicates catching or being in time for something, emphasizing urgency or timeliness.

我需要赶早上的飞机。

I need to catch the morning flight.

In this sentence, 赶 conveys urgency and the necessity to use time efficiently.

他正在赶时间，不能耽搁。

He is rushing for time and cannot delay.