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单词 arduous
释义

WordReference Random House Learner's Dictionary of American English © 2024
ar•du•ous /ˈɑrdʒuəs/USA pronunciation   adj. 
  1. requiring great energy or exertion:arduous tasks.
  2. full of hardship;
    severe:an arduous winter.
ar•du•ous•ly, adv. 
ar•du•ous•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2024
ar•du•ous  (är′jo̅o̅ əs or, esp. Brit., är′dyo̅o̅-),USA pronunciation adj. 
  1. requiring great exertion;
    laborious;
    difficult:an arduous undertaking.
  2. requiring or using much energy and vigor;
    strenuous:making an arduous effort.
  3. hard to climb;
    steep:an arduous path up the hill.
  4. hard to endure;
    full of hardships;
    severe:an arduous winter.
  • Latin arduus erect, steep, laborious; see -ous
  • 1530–40
ar′du•ous•ly, adv. 
ar′du•ous•ness, n. 
    • 1.See corresponding entry in Unabridged hard, toilsome, onerous, wearisome, burdensome, exhausting.
    • 1.See corresponding entry in Unabridged easy.

Collins Concise English Dictionary © HarperCollins Publishers::
arduous /ˈɑːdjʊəs/ adj
  1. requiring great physical or mental effort; difficult to accomplish; strenuous
  2. hard to endure; harsh
  3. hard to overcome or surmount; steep or difficult: an arduous track
Etymology: 16th Century: from Latin arduus steep, difficult
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更新时间：2025/7/2 0:59:18