첫째, 준비해요.
cheotjjae, junbihaeyo
Firstly, prepare.
첫째, 시작해요.
cheotjjae, sijakhaeyo
Firstly, start.
나는 첫째야.
naneun cheotjjaeya
I'm the first/eldest.
그는 첫째다.
geuneun cheotjjaeda
He is the first/eldest.
