If something is peculiar to a particular thing, person, or situation, it belongs or relates only to that thing, person, or situation.
Punks, soldiers, hippies, and Sumo wrestlers all have distinct hair styles, peculiar to their group.
朋克摇滚歌手、士兵、嬉皮士和相扑手都留着他们那个群体特有的独特发型。