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▼ct [dg] the grund (out) from nder O [O's fet]🔗🔉

▼ct [dg] the grund (out) from nder O [O's fet] 〈人〉の裏をかく, 先手を打つ;…を議論で負かす.

ジーニアス英和大辞典 ページ 40652 でのout単語。