음... i think ... 너무 means 'too', 'over' 참 means 'really', 'truely' 오늘 날씨가 너무 덥다 it's too hot today 너무 조심스럽다 overly careful 너무 비싸다 too expensive 오늘 날씨가 참 덥다 it's really hot today 너무 미안해 really sorry ... i hope it's useful for you ^^