변경change; alteration 변동change; fluctuation 변화change 가변variability 가변성variability; changeability 가변적being variable 가변적changeable; changing; variable 개변change; reformation; renovation 격변sudden change; rapid change; violent upheaval; cataclysm 격변기period of upheaval

고장defect; something wrong 고향home; hometown 교통사고traffic accident; car crash 사고accident 고the late 고국homeland; native country 고사ancient event; ancient occurrence 고사성어idiom originated in ancient event 고의intention 고의적being intentional; being deliberate