첫째로 /tɕʌt̚tɕɛɾo/ AdverbEnglishfirstly日本語まずExampleINLINE SYNONYMY: 첫째 (우선/먼저/제일 먼저) — of: Firstly, we need to consider the environmental impact.Firstly, we need to consider the environmental impact.가장 흔하고 격식 없는 표현입니다.