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=▼withut the knwledge of O🔗🔉

=▼withut the knwledge of O 〈人〉に知らせずに, 無断で;〈人〉の知らぬまに‖He crept out without his wife's 〜. 彼は妻が気づかないうちにそっと出て行った(=He crept out before his wife knew it.).

ジーニアス英和大辞典 ページ 44602 での=▼withut the knwledge of O単語。