| 单词 | arduousness |
| 释义 | ˈarduousness [f. as prec. + -ness.] The quality of being arduous; difficulty.
1731in Bailey. 1748Richardson Clarissa (1811) V. xxii. 248 The arduousness of the case. 1859Merivale Rom. Emp. xlii. V. 13 The arduousness of the task of governing it. |
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