如果他们赢了用英语怎么说

如果他们赢了，可以说 "They won." 或 "They were victorious."

来源：这些表达都是英语中常用的表达方式，用来表示一方在比赛、竞争中获胜。

一些例句和中文翻译：

"The home team won the game." (主队赢得了比赛。)
"She won first place in the singing competition." (她在唱歌比赛中获得了第一名。)
"They were victorious in the final match of the tournament." (他们在锦标赛的最后一场比赛中取得了胜利。)