after = nachdem, danach
He arrived just after the others had gone.
Er kam an, kurz nachdem die anderen gegangen waren.
She had dinner alone. After that she went to bed.
Sie hat alleine zu Abend gegessen. Danach ging sie ins Bett.
After I had read the paper I went out for a walk.
Nachdem ich die Zeitung gelesen hatte, ging ich spazieren.