[译] 我女儿是游泳冠军。
[误] My daughter is a swimming championship.

[正] My daughter is swimming Champion.
[注] champion 指获得冠军的人，又如：

• He was the boxing champion.
  他是拳击冠军。

championship 指冠军的地位，如：

• His son won a world boxing championship.
  他的儿子赢得世界拳击冠军的称号。