jalnanche haneun
to act smug or conceited
agir de manière prétentieuse ; se comporter de manière arrogante
그는 항상 잘난체 하는 모습으로 사람들을 대한다.
geuneun hangsang jallanche haneun moseub-euro saramdeul-eul daehanda.
He always treats people with a smug attitude.
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