구식사람in English:old-fashioned person

Examples
with 구식사람.

• 그는 구식사람이라서 새로운 기술을 잘 사용하지 못해요.geuneun gusiksaramiraseo saeroun gisul-eul jal sayonghaji mothaeyo.He is an old-fashioned person, so he doesn't use new technology well.