He had been in government service for many years.

He decided to stop eating unhealthy snacks between meals.

He often snacks during work.

He is in a sinecure.

He is scheduled to undergo liver transplantation surgery.

It's his habit to finish eating every meal.

He finished eating everything on his plate.

His olfactory organ is very sensitive.

I am studying Korean language.

He learned a new skill during the fallow period.