时隔 (shí gé): separated in time (usu. followed by a quantity of time)

After an interval of three years, I returned to my hometown again and found that the streets and houses had changed a lot.

After half a year apart, we two brothers finally met again, and once we met we chatted nonstop.

After ten years, he returned to his alma mater and discovered that the teachers from those days had already retired.

After a two-month gap, that movie was finally available online, and I watched it right away.

After a long time, he picked up the paintbrush again and painted a picture in a completely different style from before.