Working as a volunteer brings great joy to me.
做志愿者給我帶來極大的快樂。
He also spent 35 years as a volunteer firefighter.
他也花了35年做一名消防志愿者。
Have you ever participated in volunteer activities?
你參加過義工活動嗎？
I helped launch a volunteer organization on campus.
我幫助組建了一個校園志愿者組織。
He likes traveling but he works as a volunteer too.
他喜歡旅行，但他也做志愿者。