| 词汇 | arduous | 
| 释义 | arduous  adjective uk/ˈɑː.dʒu.əs/ us/ˈɑːr.dʒu.əs/  艰难的,艰巨的;费力的 difficult, needing a lot of effort and energy  an arduous climb/task/journey 举步维艰的攀登/艰巨的任务/艰难的旅程  Synonyms: backbreakinggruelling laborious Related words: arduouslyarduousness | 
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