Oh. Well, I could come back.那我找时间再来吧

come back回来

There is no telling when she will come back.

说不准她什么时候回来。

He came back in the late afternoon.

他在傍晚回来。

if she doesn't hand in some of that schoolwork,如果她再不交作业的话

hand in交上； 递交

Please hand in your paper before June thirtieth.

请在六月三十日前交论文。

I want you both to hand in your exercise-book today.

我要你们俩今天把练习本交上来。

Maybe we could set up a schedule.我们可以安排下时间

set up 安排

The army has set up road blocks round the city.

军队在城市周围设置了路障。

His father's money left Jim well set up for life.

吉姆的父亲给他留下一大笔钱，足以供他生活一辈子。