It was past midnight when we got home.

我们到家已是午夜之后了。

It was past midnight.

过了午夜。

We must be getting home ; it's past midnight.

我们得回家了，已过半夜了。

When they finally arrived it was well past midnight.

他们最后到达时已是第二天的凌晨。

It was past midnight when I got home.

我到家时已过午夜了。