| 词汇 | thesaurus_arduous |
| 语种 | 英语、汉语、英汉翻译、汉英翻译 |
| 释义 | arduousadjective These are words and phrases related to arduous. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of arduous. Crossing the continent in a covered wagon was an arduous undertaking. Synonymsdifficult hard laborious toilsome wearisome exhausting fatiguing tiring burdensome heavy tough troublesome onerous trying full of hardships formidable severe Herculean vigorous strenuous energetic Antonymslight facile easy simple effortless smooth |
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