He went on studying deep into the night.

他一直学习到深夜。

We talked deep into the night.

我们谈至深夜。

They danced deep into the night.

这事发生在深夜。

The boy read deep into the night.

这男孩读书一直到深夜。

They danced deep into the night.

他们跳舞一直跳到深夜。