Knock Knock Knock josimseuleobge mun-eul dudeulyeo dudeulyeo sum jug-inchae gidalyeo changbaeghae bo-ilyeona oneul Makeup jjinggeulyeo bwado nae byeongmyeong-eun Question cham jalsaenggyeoss-eo Doctor I think I am falling in love with you nae mamdo mollajuneun Doctor apa-yo apa-yo na jom chilyohaejwo-yo ileohge seolle-ineun oneul bam Why don't you dance with me tonight aetage gidalyeoss-eo ileonnal geudae hamkkelamyeon nal-agal geosman gat-a na Wooooh~ Now I really need you Dr. Feelgood Yeah I Wooooh~ I won't stop yeogil balabwajul ttae-kkaji yeah ttagttagttag ssib-eobose-yo malhaneun geudae mogsoli mogsoli gwi-e maemdol-a ganhosa eonnilang chinhangabwa jeongmal andoegess-eo Call me an ambulance cham jalsaenggyeoss-eo Doctor I think I am fallen in love with you nae mamdo mollajuneun Doctor apa-yo apa-yo na jom chilyohaejwo-yo ileohge seolle-ineun oneul bam Why don't you dance with me tonight aetage gidalyeoss-eo ileonnal geudae hamkkelamyeon nal-agal geosman gat-a na Wooooh~ Now I really need you Dr. Feelgood Yeah I Wooooh~ I won't stop yeogil balabwajul ttae-kkaji yeah ileohge seolle-ineun oneul bam Why don't you dance with me tonight aetage gidalyeoss-eo ileonnal geudae hamkkelamyeon nal-agal geosman gat-a na Wooooh~ Now I really need you Dr. Feelgood Yeah I Wooooh~ I won't stop yeogil balabwajul ttae-kkaji yeah