然后我们三点半回家。

Then we go home at half past three.

他们在下午三点半放学。

They finish school at half past three in the afternoon.

下午三点半结束

And finishes at 3.30 p.m.

我通常在三点半做运动。

L usually play sports at 3:30.

这时钟的指针指向三点半。

The hands of the clock now pointed to half past three.

我今天三点半下班可以吗？

May I clock off at three thirty today?

我回家在三点半。 我做我的家庭作业在七点半。

I come home at half past three.I do my homework at half past seven.

我下午三点半放学。

I finish school at three-thirty.

我提醒他该起床，因为已经下午三点半了。

He can't be bothered cos he's high on THC.

从时间上说, 我推测现在大概是三点半.

Timewise, I deduce that the time is approximately half past three.