TOPIK 4noun치안chian치안이 · 치안을public safety, law and orderExample한국은 치안이 좋아서 밤에도 안전한 편이에요.Korea has good public safety, so it's fairly safe even at night.Word parts치 govern+안 peaceLiterally 'governing to keep the peace'.Related words안전 safety경찰 police범죄 crime