만일 [萬一]1 [만약] if; in case (…의 경우에는); provided[supposing] (that) (조건); by any chance(만에 하나라도). ~ 비가 오면 if[in case] it rains / in case of rain. ~ 필요하다면 if (it is) necessary. ~ 내가 실패하면 if (by any chance) I should fail / in case +모두 보이기...I fail. ~ …이 없었더라면[아니었더라면] if it were not[had not been] for ‥ / were it not[had it not been] for ‥ / but for ‥. ~ 내가 너라면 그런 짓은 안한다 If I were you, I would not do such a thing. ~ 그를 만나면 나한테 오라고 해 주시오 If you meet him, tell him to call on me. ~ 내가 그 자리에 있게 되면 이러쿵저러쿵 말이 많을 게다 If I should[Should I] be there, it would be talked about. ~ 내일 죽는다면 너는 어떻게 하겠느냐 If you were to die tomorrow, what would you do? ~ 병이라도 나면 어떡해 What if you should be taken ill? ~ 나에게 돈만 있다면 If only I had money! ~ 그때 알기만 했더라면 If I had only known! ~ 그가 오지 않으면 어떻게 하지 Supposing he doesn't come, then what are you going to do? / What if he doesn't turn up?2 (확실히 하기 위해) to make sure; (예방[사전] 조치로) by way of precaution; [뜻하지 않은 일] (an) emergency; a rare possibility; an unlikely event. ~의 경우에는 in (case of) emergency / should emergency arise / in case[time] of need / if anything[the worst] should happen. ~의 경우에 대비하다 provide[make provision] against (the) time of need[a rainy day / an emergency] / prepare for the worst. ~을 위해 옷장 뒤를 찾아보았다 I searched behind the bureau just to make sure that nothing was there. ~을 위해 다시 한 번 말씀드립니다 Allow me to repeat it by way of precaution[for precaution's sake]. ~을 위해 그에게 직접 물어 보시오 Ask him in person to satisfy yourself. ~을 위해 레인코트를 입고 가시오 Wear your raincoat just in case. ~의 경우에는 백부한테 가거라 Go to your uncle in time of need.