Hurry up, they are gaining on us!

, 赶上我!

Hurry up. Tie up your shoelaces; we are late.

, 上你的鞋带, 我晚。

Hurry up, we're wasting time.

儿, 我别再浪费时间。

Hurry up! You'll be late.

赶! 你会迟到的。