N2 — outside your level filter
surely won't; I shall never — the classical negative of だろう and of (よ)う
今さら謝っても、彼女の気は変わるまい。
imasara ayamatte mo, kanojo no ki wa kawarumai.
Apologising at this point will surely not change her mind. neutral
あんな思いは二度とするまい、と心に決めた。
anna omoi wa nido to surumai, to kokoro ni kimeta.
I resolved that I would never put myself through that again. neutral
まい
まいmaiN2literary