[Intro: Dahyun, Chaeyoung, Both]
Trying to let you know
Signeul bonae signal bonae
I must let you know
Signeul bonae signal bonae
Signeul bonae signal bonae
Signeul bonae signal bonae
Signeul bonae signal bonae
I must let you know[Refrain: Momo, Mina, Both]
Signeul bonae signal bonae
Geunde jeonhyeo an tonghae
Nunbicheul bonae nunchireul june
Geunde mot aradeunne
Dapdapaeseo michigetda jeongmal
Wae geureonji moreugetda jeongmal
Dasi han beon himeul naeseo
Signeul bonae signal bonae[Verse 1: Jeongyeon, You]
Nunjitdo sonjitdo eotteon pyojeongdo
Soyongi eomne hanado an tonghae
Nunchido kochido jeonhyeo eomna bwa
Deo isang eotteoke nae mameul pyohyeonhae[Pre-Chorus: Jihyo, Nayeon]
Eonjebuteonga nan nega joa
Jigi sijakaesseo baboya
Wae ireokedo nae mameul molla
Eonjekkaji ireoke dunhage
Nareul chinguroman daehallae
Naega wonhaneun geon geuge aninde[Chorus: Tzuyu, Sana]
Signal bonae signal bonae
Jjirit jjirit jjirit jjirit
Nan neoreul wonhae nan neoreul wonhae
Wae baneungi eomni
Mannal ttae mada maeumeul dama
Jjirit jjirit jjirit jjirit
Gidarijana da boijana
Wae alji mothani[Interlude: Dahyun, Chaeyoung]
Trying to let you know
Signeul bonae signal bonae
I must let you know
Signeul bonae signal bonae[Verse 2: Jeongyeon,You]
Neol bomyeo useumyeon arachaeyaji
Oneulman myeot beonjjae neol bomyeo unneunde
Jakku mareul geolmyeon jom neukkyeoyaji
Gyesok ne gyeote meomulleoinneunde[Pre-Chorus: Jihyo, Nayeon]
Eonjebuteonga nan nega joa
Jigi sijakaesseo baboya
Wae ireokedo nae mameul molla
Eonjekkaji ireoke dunhage
Nareul chinguroman daehallae
Naega wonhaneun geon geuge aninde[Chorus: Tzuyu, Sana]
Signal bonae signal bonae
Jjirit jjirit jjirit jjirit
Nan neoreul wonhae nan neoreul wonhae
Wae baneungi eomni
Mannal ttae mada maeumeul dama
Jjirit jjirit jjirit jjirit
Gidarijana da boijana
Wae alji mothani[Post-Chorus: Dahyun, Jihyo,You, Nayeon]
Dureureurudu dureureurudu
Jjirit jjirit jjirit jjirit
Dureureurudu dureureurudu
Wae baneungi eomni
Dureureurudu dureureurudu
Jjirit jjirit jjirit jjirit
Dureureurudu dureureurudu
Wae alji mothani[Refrain: Momo, Mina, Both]
Signeul bonae signal bonae
Geunde jeonhyeo an tonghae
Nunbicheul bonae nunchireul june
Geunde mot aradeunne
Dapdapaeseo michigetda jeongmal
Wae geureonji moreugetda jeongmal
Dasi han beon himeul naeseo
Signeul bonae signal bonae