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Pronunciation
eegwa manghatsumyeon
Definition (meaning)
If you make a joke and then someone who majored in natural science or engineering responds as very seriously, scientific and complicated way, you can say ‘이과 망했으면’.
This sentence is usually used to mock very serious person who majors in natural science or engineering and has no sense of humor.
Literally, 이과 망했으면 means ‘I want that natural science will be destroyed.’.
this idiom is usually used on the internet.
Definition by other languages
당신이 농담삼아 어떤 말을 했을때, 자연과학 또는 공학을 전공한 상대방이 매우 심각하고 진지하게 과학적 설명을 할때 하는 말이다. (korean)
Examples
A: 시는 유리와 같아요. 햇빛이 비치면 보는 방향에 따라 다르게 빛나죠. (the poem is like the grass. because it shines variously as the direction of sunshine.
B: 난반사인건가? (I know that. it’s diffused reflection theory.)
A: 이과 망했으면..(I want that natural science will be destroyed)