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Grammar list

すまない

(Zu ni wa suma nai)

can't get by without / must inevitably do.

Connection rules

  • V ない-stem + ずにはすまない. Irregular: する → せずにはすまない.
  • Social / moral inevitability — one cannot escape doing X.
  • Irregular: せずにはすまない for する.

Examples

1.
あやますまないだろ

Ayamara zu ni wa suma nai daro u.

He'll have no choice but to apologize.

can't get by without / must inevitably do

2.
この問題もんだい解決かいけつすまない

Kono mondai wa kaiketsu se zu ni wa suma nai.

This problem must inevitably be resolved.

can't get by without / must inevitably do

Practice

Given the trouble I caused, I will have no choice but to apologize.

これだけの迷惑をかけたのだから、___だろう。

Romaji also accepted