| 单词 | redoubtable | 
| 释义 | Word Frequency redoubtable(rɪˈdaʊtəbəl) adjective 1.  to be feared; formidable  2.  worthy of respect  Derived formsredoubtableness (reˈdoubtableness) noun redoubtably (reˈdoubtably)  adverb Word originC14: from Old French, from redouter to dread, from re- + douter to be afraid, doubt | 
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