已经被击败英语怎么说

在英语中，"已经被击败"可以用以下表达来表示：
"defeated"：意思是被击败、战败或失败。这个词源自拉丁文"deficere"，意思是"把……打败"。例句：
"The team was defeated by their opponents in the championship game." (这支队伍在冠军赛中被对手击败。)
"beaten"：意思是被击败、战败或失败。这个词源自古英语"beatan"，意思是"打败"。例句：
"The boxer was beaten by his opponent in the match." (拳击手在比赛中被对手击败。)
"lost"：意思是输掉比赛或战斗。这个词源自拉丁文"perdere"，意思是"丢失"。例句：
"The team lost the game to their opponents." (这支队伍输给了对手。)
以上是几种表示"已经被击败"的英语表达。希望这些信息对你有帮助。