꾸벅꾸벅졺in English:drowse

Examples
with 꾸벅꾸벅졺.

• 그는 수업 중에 꾸벅꾸벅졺을 했다.geuneun sueob jung-e kkubeokkkubeokjjeom-eul haetda.He dozed off during the class.