Adversary
01
敵, 対戦相手
a person that one is opposed to and fights or competes with
例
In the final round of the chess tournament, he faced his toughest adversary yet.
チェストーナメントの最終ラウンドで、彼はこれまでで最も手強い相手と対戦した。
Even though they were fierce adversaries on the court, off the court they were good friends.
コート上では激しい敵同士だったが、コートの外では良い友達だった。
