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intrepid (adj.)[intrepid 词源字典]: 1620s (implied in intrepidness), from French intrépide (16c.) and directly from Latin intrepidus "unshaken, undaunted," from in- "not" (see in- (1)) + trepidus "alarmed" (see trepidation). Related: Intrepidly.[intrepid etymology, intrepid origin, 英语词源]