oughtn't

动词 v.
/ˈɔː.tn̩t/|/ɔːnt/    /ˈɔt.n̩t/|/ˈɑt.n̩t/

英文释义

动词 v.
  1. (US, Philippines, dated, rare) ought not (negative auxiliary). Commonwealth,Ireland,UK
    — We ought to wake dad, oughtn't we?

词源

Etymology tree
English ought
English -n't
English oughtn't
From ought + -n't.
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