Strenuous
"Strenuous" in cmn
劇烈 /剧烈
jùliè
(having great vigour)
艱苦 /艰苦
jiānkǔ
(requiring great exertion)
費力 /费力
fèilì
(requiring great exertion)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.