夜が更け始めた。

tbd

夜が更けるまで彼らの話は尽きなかった。

tbd

They didn't run out of conversation until late at night.

夜が更けて疲れていたので私は宿屋に泊まった。

tbd

As it was late at night and I was very tired, I put up at an inn.

Since it was late at night and I was very tired, I stayed at an inn.

夜が更けるにつれて寒くなった。

tbd

It became colder as the night wore on.

夜がふけて疲れていたので、私は宿に泊まった。

tbd

As it was late at night and I was very tired, I put up at an inn.

夜がすっかり更けた。

tbd

The night was far advanced.

だいぶ夜もふけました。もうおいとませねばなりません。

tbd

It is getting rather late. I think I must be going now.