英和和英

発音

• (英国発音) IPA^(key): /ˌəʊˈfeɪ/
• (米国発音) IPA^(key): /ˌoʊˈfeɪ/

形容詞

au fait (comparative more au fait, superlative most au fait)

1. Being familiar with or informed about something.

   Synonyms: acquainted, at home, conversant, familiar

   Are you au fait with the rules of the game?

   • 1834, L[etitia] E[lizabeth] L[andon], Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), OCLC 630079698, page 175:

     The Chevalier was, as usual, au fait at all the anecdotes of the court, which had been exceedingly gay, owing to the visit of Madame de Savoie and her daughter, the Princess Marguerite.

   • 1871, Elizabeth Stuart Phelps, “The Silent Partner”, in Popular American Literature of the 19th Century, →ISBN, page 857:

     Now there is father; he is au fait in all these matters; has a theory for every case of whooping-cough, – and a mission school.

   • 1999, R.J. Hankinson, The Cambridge History of Hellenistic Philosophy, →ISBN, page 535:

     In that case, it would help to have a benevolent deity who is au fait with those complexities — but that there is such a deity is a feature of Stoic theology.

   • 2003, D R J Laming, Understanding Human Motivation: What Makes People Tick?, →ISBN, page 4:

     This may sound needless to the professional who is au fait with the history and direction of the investigation.

Further reading

• “au fait”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.