so, so much
하도 갑자기 받은 휴가 라 정신이 없었어요
The vacation came up so suddenly that I was completely overwhelmed.
— 박쥐 (2009)
노래를 하도 불러서 목이 쉬었어
I sang so much that I lost my voice.
— 특별한 날 (1977)
하도 예쁘게 생겨서
Because they were so beautiful...
— 버닝 (2018)