잘난체하기in English:to show off

Examples
with 잘난체하기.

• 그는 항상 잘난체하기 때문에 친구들이 그를 싫어해요.geuneun hangsang jallanchehagi ttaemune chingudeuri geureul silheohaeyo.He always shows off, so his friends dislike him.