adversary
US /ˈæd.vɚ.ser.i/
UK /ˈæd.vɚ.ser.i/

名詞
1.
對手, 敵手
one's opponent in a contest, conflict, or dispute
範例:
•
He faced his old adversary in the final round.
他在最後一輪面對他的老對手。
•
The two nations have been adversaries for centuries.
這兩個國家幾個世紀以來一直是對手。
在 Lingoland 學習這個單詞