au faitadv.

/əʊ ˈfeɪ/

Etymology: French; au at the, to the, fait fact, point, question, under discussion.

to be au fait in or at: to be well instructed or ‘up to the mark’ in, thoroughly conversant with, expert or skilful in. to put a person au fait of (= French mettre au fait de): to instruct thoroughly in. Also const. with or (less commonly) to.

ΘΚΠ

the world > action or operation > ability > skill or skilfulness > be skilled or versed in [verb (transitive)]

witOE

knowOE

underfoa1300

practa1513

skill?1529

to be au fait in or ata1743

society > communication > information > action of informing > give (information) [verb (transitive)] > inform (a person)

to teach a person a thingc888

meanOE

wiseOE

sayOE

wittera1225

tellc1225

do to witc1275

let witc1275

let seec1330

inform1384

form1399

lerea1400

to wit (a person) to saya1400

learn1425

advertise1431

givec1449

insense?c1450

instruct1489

ascertain1490

let1490

alighta1500

advert1511

signify1523

reform1535

advise1562

partake1565

resolve1568

to do to ware1594

to let into one's knowledge1596

intellect1599

possess1600

acquainta1616

alighten1615

recommenda1616

intelligence1637

apprise1694

appraise1706

introduce1741

avail1785

prime1791

document1807

to put up1811

to put a person au fait of1828

post1847

to keep (someone) straight1862

monish1866

to put next to1896

to put (one) wise (to)1896

voice1898

in the picture1900

to give (someone) a line on1903

to wise up1905

drum1908

hip1932

to fill (someone) in on1945

clue1948

background1961

to mark a person's card1961

to loop in1994

a1743 Ld. Hervey Mem. (1952) v. 221 Your Majesty being au fait of all transactions..for these last ten years.

1748 H. Walpole Lett. to H. Mann II. 255 Being au fait he went up to him at Ranelagh and apostrophized him.

1821 New Monthly Mag. 2 220 Yet, to be au fait at nonsense, is no easy matter.

1824 T. De Quincey Incognito in Knight's Q. Mag. 3 150 The gallant troops were not quite au fait in the art of loading.

1828 A. Granville Autobiogr. II. 286 I..will put you au fait of all the circumstances of the case.

1849 C. Brontë Shirley I. vi. 157 For the benefit of those who are not ‘au fait’ to the mysteries of the ‘Jew-basket’ and ‘Missionary-basket’..these ‘meubles’ are willow-repositories.

1881 Daily News 7 Mar. 2/3 (Boat-race), Not quite so au fait at the work as Mr. West.

1906 Nature 13 Sept. 485/1 The author is..not au fait with any up-to-date work.

1916 T. E. Lawrence Let. 22 Dec. (1938) 213 I hope..to run up first to Feisal and so put you au fait with his intentions.

1936 Punch 3 June 624/2 Now Daniel would have been perfectly au fait with such a situation.

This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022).

单词	au fait
释义	au faitadv. /əʊ ˈfeɪ/ Etymology: French; au at the, to the, fait fact, point, question, under discussion. to be au fait in or at: to be well instructed or ‘up to the mark’ in, thoroughly conversant with, expert or skilful in. to put a person au fait of (= French mettre au fait de): to instruct thoroughly in. Also const. with or (less commonly) to. ΘΚΠ the world > action or operation > ability > skill or skilfulness > be skilled or versed in [verb (transitive)] witOE knowOE underfoa1300 practa1513 skill?1529 to be au fait in or ata1743 society > communication > information > action of informing > give (information) [verb (transitive)] > inform (a person) to teach a person a thingc888 meanOE wiseOE sayOE wittera1225 tellc1225 do to witc1275 let witc1275 let seec1330 inform1384 form1399 lerea1400 to wit (a person) to saya1400 learn1425 advertise1431 givec1449 insense?c1450 instruct1489 ascertain1490 let1490 alighta1500 advert1511 signify1523 reform1535 advise1562 partake1565 resolve1568 to do to ware1594 to let into one's knowledge1596 intellect1599 possess1600 acquainta1616 alighten1615 recommenda1616 intelligence1637 apprise1694 appraise1706 introduce1741 avail1785 prime1791 document1807 to put up1811 to put a person au fait of1828 post1847 to keep (someone) straight1862 monish1866 to put next to1896 to put (one) wise (to)1896 voice1898 in the picture1900 to give (someone) a line on1903 to wise up1905 drum1908 hip1932 to fill (someone) in on1945 clue1948 background1961 to mark a person's card1961 to loop in1994 a1743 Ld. Hervey Mem. (1952) v. 221 Your Majesty being au fait of all transactions..for these last ten years. 1748 H. Walpole Lett. to H. Mann II. 255 Being au fait he went up to him at Ranelagh and apostrophized him. 1821 New Monthly Mag. 2 220 Yet, to be au fait at nonsense, is no easy matter. 1824 T. De Quincey Incognito in Knight's Q. Mag. 3 150 The gallant troops were not quite au fait in the art of loading. 1828 A. Granville Autobiogr. II. 286 I..will put you au fait of all the circumstances of the case. 1849 C. Brontë Shirley I. vi. 157 For the benefit of those who are not ‘au fait’ to the mysteries of the ‘Jew-basket’ and ‘Missionary-basket’..these ‘meubles’ are willow-repositories. 1881 Daily News 7 Mar. 2/3 (Boat-race), Not quite so au fait at the work as Mr. West. 1906 Nature 13 Sept. 485/1 The author is..not au fait with any up-to-date work. 1916 T. E. Lawrence Let. 22 Dec. (1938) 213 I hope..to run up first to Feisal and so put you au fait with his intentions. 1936 Punch 3 June 624/2 Now Daniel would have been perfectly au fait with such a situation. This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022). < adv.a1743
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