Korean phrase
~라서요. ~ ra seo yo
Meaning
because ___
When to use it
This gives a reason in a soft, polite way. It often softens a refusal or answer and can end the explanation without inviting further questions.
Example dialogue
오늘 저녁에 시간 있어? o neul cheo nyeo ge si gan i sseo
Do you have time tonight?
미안, 오늘 저녁은 약속이라서요. mi an o neul cheo nyeo geun yak sso gi ra seo yo
Sorry, I have plans tonight.