arduous

C2 大学 FREQ #27132 ★☆☆☆☆

a. 费力的, 努力的, 险峻的

发音

UK /ˈɑː.djuː.əs/
UK /ˈɑː.d͡ʒuː.əs/
US /ˈɑɹ.d͡ʒu.əs/

词形变化

more arduous 比较级 most arduous 最高级

教材释义与例句

形容词

努力的；费力的；险峻的

释义与例句

adj. C2
  1. 1.

    burning; ardent

    废旧
  2. 2.

    Needing or using up much energy; testing powers of endurance.

    艰苦

    艰巨

    The movement towards a peaceful settlement has been a long and arduous political struggle.

  3. 3.

    Difficult or exhausting to traverse.

词汇关系

形容词

同义词 10

hard heavy punishing strenuous grueling gruelling laborious backbreaking operose toilsome

近义相关 3

hard difficult effortful

词源

From Latin arduus (“lofty, high, steep, hard to reach, difficult, laborious”), akin to Irish ard (“high”).

来源：wiktionary