| 单词 | challenging |
| 释义 | > as lemmasˈchallenging ˈchallenging n. and adj. ΘΚΠ society > society and the community > dissent > competition or rivalry > challenge or challenging > [noun] challengec1325 challenging1330 defiancec1430 defya1586 provocatory1611 provoke1824 the mind > language > statement > objection > [noun] > disputing or calling in question controlment1533 challenging1825 traversal1841 society > education > learning > study > subject or object of study > [noun] > exercises or homework lesson?c1225 renderc1380 vulgars1520 practicec1541 theme1545 example1562 tax1564 repetition1579 exercise1612 praxis1612 recreation1633 pensum1667 vacation-exercisea1668 version1711 task1737 thesisa1774 dictation1789 challenging1825 holiday task1827 devoir1849 homework1852 vulgus1857 cram-book1858 rep1858 banco1862 prep1866 classwork1867 preparation1875 work card1878 vacation-task1904 the world > action or operation > undertaking > [adjective] > that constitutes a challenge challenging1842 society > society and the community > dissent > competition or rivalry > challenge or challenging > [adjective] challenging1842 protested1895 the world > action or operation > difficulty > [adjective] arvethc885 uneathOE arvethlichc1000 evilc1175 hardc1175 deara1225 derfa1225 illc1330 wickeda1375 uneasy1398 difficul?a1450 difficile?1473 difficulta1527 unready1535 craggy1582 spiny1604 tough1619 uphill1622 shrewda1626 spinousa1638 scabrous1646 spinose1660 rugged1663 cranka1745 tight1764 thraward1818 nasty1828 upstream1847 awkward1860 pricklyc1862 bristling1871 sticky1871 rocky1873 dodgy1898 challengeful1927 solid1943 ball-busting1944 challenging1975 1330 R. Mannyng Chron. (1810) 173 Isaak a partie had mad a chalangyng. c1440 Ipomydon 1280 Sithe I was not at the justynge, I will not be at the chalengynge. 1825 J. Bentham Rationale Reward 20 The practice..in many schools, called challenging..he who stands at the head of the class begins the exercise: does he make a mistake, the next to him in succession corrects him and takes his place. 1842 H. E. Manning Serm. vii. 94 The whole inmost soul is bent into a challenging array. 1946 Proc. Soc. Exper. Biol. & Med. 63 189/2 210 mice were sensitized..by 4 consecutive intraperitoneal injections of 1 ml each of undiluted horse serum every other day. Twenty-one days later a challenging dose of 1 ml. of undiluted horse serum..was injected intravenously. 1975 Aviation Week & Space Technol. 27 Jan. 63 Clearly the most challenging problem facing the ECM strategist today is to operate efficiently and effectively in a high-density threat environment. 1985 Aerospace America May b54 The innovative techniques evolving in the application of new technology in solving the challenging problems in today's flight test program. < as lemmas |
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