단도직입이 · 단도직입을
getting straight to the point
Example
단도직입적으로 말할게요. 그 계획은 안 돼요.
I'll be blunt: that plan won't work.
Word parts
단 single+도 sword+직 straight+입 enter
Literally 'charging straight in with a single sword'.
Good to know
Most common as 단도직입적으로 묻다/말하다 'to ask/say directly'.