(often humorous)(of a person) formidable, especially as an opponent (常幽默)(尤指对手)可怕的,厉害的 he was a redoubtable debater. 他是个可怕的辩手。 the redoubtable ladies. 厉害的女士们。
派生 redoubtably adverb 语源
late Middle English: from Old French redoutable, from redouter 'to fear', from re- (expressing intensive force) + douter 'to doubt'