Arduous
"Arduous" in cmn
艱巨 /艰巨
jiānjù
(needing or using up much energy)
艱苦 /艰苦
jiānkǔ
(needing or using up much energy)
More for "arduous"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.