I go to bed at 10:00 on weekdays and 11:00 on weekends.

我工作日十点睡，周末十一点睡。

On weekdays, there's still a lot of tourists around.

在工作日，周围仍然有很多游客。

What do you usually do on weekdays or weekends with your friends?

你通常在工作日或周末和你的朋友干什么？

The centre is open from 9 a.m. to 6 p.m. on weekdays.

本中心星期一至星期五上午9点至下午6点开放。

I'm busy on weekdays. May I see you on Sunday?

我平时很忙，我可以在周日与你见面吗？

We always dine in on weekdays.

我们周日总是在家吃饭。