Happy birthday, happy birthday "saeng-il chughahae"i mal bakk-en Happy birthday, happy birthday niga tae-eonan ge naegen manyang chugbog-in geoji Oh i bam-e nae mogsolil deudneun ge jeonbu-in seonmul-ijiman julge igeosppun-i-ya nan eojileo-un i sesang-e naega sum swin i-yu It's you Happy birthday, happy birthday "saeng-il chughahae"i mal bakk-en Happy birthday, happy birthday niga tae-eonan ge naegen manyang chugbog-in geoji Happy birthday to you (you) haengboghagil balae Happy birthday to you