강적formidable enemy 적enemy 필적being equal; being comparable; rival 난적difficult enemy 대적confrontation; match 무적invincibility 숙적old foe 연적love rival 외적foreign enemy; enemy from outside 적개심hostility

대답answer; reply 대화dialogue; conversation; talk 반대opposite; contrary 대립opposition; confrontation; conflict 대비comparison; contrast 대비being prepared; preparation 대상자candidate; recipient; subject 대응response 대조comparison 대책measure; action

감시surveillance; observation; watch 무시disregard; neglect 시각viewpoint; perspective 시력sight; vision 시선eyes; gaze 시야visibility; sight 시청watching 시청률television ratings 시청자viewer 투시seeing through; penetration