고장故障 defect; something wrong 고향故鄕 home; hometown 교통사고交通事故 traffic accident; car crash 사고事故 accident 고故 the late 고국故國 homeland; native country 고사故事 ancient event; ancient occurrence 고사성어故事成語 idiom originated in ancient event 고의故意 intention 고의적故意的 being intentional; being deliberate 고의적故意的 intentional; deliberate 고인故人 dead person; the deceased 무고無故 absence of trouble 무사고無事故 being accident-free 변고變故 mishap; trouble 별고別故 particular incident; mishap 연고緣故 cause; reason 연고지緣故地 area related to someone 온고지신溫故知新 reviewing the past and learning the new 작고作故 decease 죽마고우竹馬故友 best friend