antagonist
Longman Dictionary of Contemporary English 5++LDOCE 5++an·tag·o·nist /ænˈtæɡənɪst/ noun [countable] AGAINST/OPPOSEyour opponent in a competition, battle, quarrel etc 对立[对抗]者；对手，敌手 → protagonist
Examples from the Corpus
antagonist• Yet, on the whole, the rich man remains the natural antagonist of the poor.• In the fluctuating combination and recombination of groups, old friends and old antagonists come across one another in shifting social contexts.• In recent years the relationship has become complex, but in the early years of each they were antagonists.an·tag·o·nist nounChineseSyllable
a your Corpus in etc quarrel battle, competition, opponent
antagonist
an‧tag‧o‧nist /ænˈtæɡənəst, ænˈtæɡənɪst/
noun [countable]
your opponent in a competition, battle, quarrel etc
⇨ protagonist
an‧tag‧o‧nist /ænˈtæɡənəst, ænˈtæɡənɪst/
noun [countable]your opponent in a competition, battle, quarrel etc
⇨ protagonist