Let’s learn about "얼굴에 뭐 났어”

나 얼굴에 뭐 났어 : I’m breaking out

[other expressions]

- (나) 얼굴에 뭐 났다. (to younger people or friends)

- (나) 얼굴에 뭐 났네. (to younger people or friends)

- (나) 얼굴에 뭐 났어. (to younger people or friends)

- (저) 얼굴에 뭐 났네요. (honourific by ‘요’)

- (저) 얼굴에 뭐 났어요. (honourific by ‘요’)

- (저) 얼굴에 뭐 났습니다. (formal; more honourific by ‘스’)

[explanations]

* 나 : I (non-honourific word to younger people or friends)

* 저 : I (honourific word to the elderly)

* -의 : a particle makes 나 / 저 posseisive; this omitted

* 나의 = 내 : my (non-honourific word to younger people or friends)

* 저의 = 제 : my (honourific word to the elderly)

* 얼굴 : face

* -에 : a place suffix means "at/in/on"

* 뭐 : a short form of 무엇(what)

* -가 : a particle makes 뭐 subjective after a word ends in a vowel

* -이 : a particle makes 무엇 subjective after a word ends in a vowel

* 뭐가 = 무엇이

* 나다 : (1) grow; sprout (2) happen; break out (3) occur to; cross one’s mind (4) come out

* 난다 : present tense of 나다

* 났다 : past tense of 나다 by ‘-았-‘

- 소년의 턱에서 수염이 나기 시작했다 : Beard has begun to grow on the boy's chin[face]

- 언제 사고가 났습니까? : When did the accident happen?

- 화가 나다 : be[get] upset (with)

- 침이 난다 = 침이 고인다 : I'm drooling

- 트림이 난다 = 트림이 나온다 : I'm burping / belching

* 났습니다 : 났(the stem of 났다) + -스( a suffix makes a verb more honourific) + -ㅂ니다(an honourific verb ending suffix by ‘스’)

* a verb + -ㄴ다 / -네 / -어 : an non-honourific descriptive verb ending suffix

* a verb + -네 / -어 + -요 : an honourific verb ending suffix

* a verb + -습니다 / -ㅂ니다 : an honourific descriptive verb ending suffix by ‘-ㅂ’