ad·ver·sar·y
noun/ˈædvəsəri/
/ˈædvərseri/
(plural adversaries)
(formal)- a person that somebody is opposed to and competing with in an argument or a battle
（辩论、战斗中的）敌手，对手 - his old political adversary
他的老政治对手 - The British considered him a worthy adversary.
英国人视他为劲敌。 - The two of them were old adversaries.
这俩人是老对手了。
Oxford Collocations Dictionaryadjective- fearsome
- formidable
- worthy
- …
Word OriginMiddle English: from Old French adversarie, from Latin adversarius ‘opposed, opponent’, from adversus ‘against, opposite’, past participle of advertere, from ad- ‘to’ + vertere ‘to turn’. - his old political adversary