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arduous

adjective
🔊/ˈɑːdʒuəs/
🔊/ˈɑːrdʒuəs/
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  1. involving a lot of effort and energy, especially over a period of time艰苦的；艰难的
    • an arduous journey across the Andes翻越安第斯山脉的艰苦之行
    • The work was arduous.这项工作很艰巨。🔊🔊
    Extra Examples
    • It was physically arduous work.这是体力劳动。
    • The road back to political stability is long and arduous.恢复政治稳定的道路漫长而艰巨。
    • an arduous task/​process艰巨任务；艰难过程
    Topics Working lifec2
    Oxford Collocations DictionaryArduous is used with these nouns:
    • climb
    • journey
    • process
    • …
    See full entry
    Word Originmid 16th cent.: from Latin arduus ‘steep, difficult’ + -ous.