N1

を前提に

On the premise of

あの
ぼく
結婚けっこん
前提ぜんてー
付き合いつきあい
いただけ
ませ
Would you please consider a relationship with me with marriage in mind?
知り合うしりあう
こと
前提ぜんてー
いる
だろ
It’s probably on the assumption that we’ll get to know each other first.