오랜만오래간만오래간만오랜만오랜만오래간만after long timelong time sincea long time sinceafter a long timefirst time in whilefirst time in a while
Notes
오랜만 and 오랜간만 are interchangeable and can be used as an interjection meaning "long time no see". When used an an adverb they should be followed by the particle 에.