Let's learn about "금시초문"

we can use “금시초문인데 !” instead of following english :

1) i didn’t hear that before
2) never heard of it
3) never heard that before
4) this is something new
5) this is news to me
6) i’ve never heard of before
7) this is a relelation to me
8) i didn’t hear anything about that
9) i’m hearing for the first time
10) this is first time i’m hearing that.

금시초문 : never heard of that before <— 금(current, now) + 시(time) + 초(first) + 문(hear)

~인데,ㄴ데 : (1) this means a light feeling, a sense of regret, etc., by asking for someone else's consent.
예) 참 아까운 사람인데. : he is such a waste. he is such a valuable person.
* “ㄴ데” used after last vowel of a word
(2) this indicates a premise in order to bring out the facts behind. it generally means “and then ...@, “and but ...”, “however”
예) 집에서 담근 술인데 한잔 드실래요/드시려오/드시겠어요 ? : it is a home-brew and please have a drink ?

<today’s dialogue>

<A person> 필립이 샌프란시스코로 이사 간다건데 ! did you know that Philipps is moving to Sanfrancisco !

<B person> 금시초문인데. i didn’t hear anything about that.

<diaglogue’s explanation>

필립이 : phillip <— 필립 + 이(a suffix makes a word subjective)
샌프란시스코로 : to Sanfrancisco <— 샌프란시스코 + 로,으로(a place suffix means “toward”)
이사 : house moving <— 이(move, shift) + 사(migrate)

* 이사 : (1) house moving <— 이(move) + 사(migrate) (2) a director of company, etc <— 이(manage) + 사(biz)

* 이 : [1] [v] change; alter; influence; affect [2] [v] shift; move [3] [v] forward; transmit; transfer; transplant; convey [4] [v] give; endow

* 이 : [1] reason; logic; cause; truth; right; righteousness [2] law; principles; doctrine; theory; science [3] [v] arrange [4] [v] administer; govern; manage; operate; regulate; run [5] [v] reply; answer; respond [6] texture; grain (in wood, skin, etc.) [7] name of a religious sect

* 사 : [1] [v] move one's abode; shift; migrate [2] [v] be exiled

* 사 : [1] [n] affair; matter; business [2] fact; event; happening [3] [n] job; occupation; task [4] duties; functions [5] trouble; accident; undesirable event [6] matter in general; matters [7] often part of a title [8] [n] service [9] [n] subject [10] [v] attend

이사가다, 이사간다 : move <— 이사(hous moving) + 가다,간다(go)

이사간다던데 : that somebody is moving to somewhere <— 이사간다 + 던데(a connction suffix two sentences as a reminder of the past in relation to  something or somebody, this is often used as a question attidtude)

금시초문인데 : i don’t know <— 금시초문(don’t know) + 인데(a suffix showing light feeling or regret by asking for consent from others in one's words)

~인데, ㄴ데 : (1) a suffix showing light feeling or regret by asking for consent from others in one's words
(2) a narrative connction suffix that indicates a premise to elicit the facts behind it. * “ㄴ데” often used after last vowel letter of a word.