/ˌaʊtˈdu: ||; aυtˈdu/verb [T] (present participle outdoing third person singular present outdoes /-ˈdʌz ||; -ˈdʌz/ past tense outdid /-ˈdɪd ||; -ˈdɪd/ past participle outdone /-ˈdʌn ||; -ˈdʌn/) to do sth better than another person; to be more successful than sb else 胜过；优于: Not to be outdone (= not wanting anyone else to do better), she tried again. 她不想让任何人胜过自己，所以又试了一次。