I have a sore back.

我背痛。

It's the story of his career: Bryant finishes a game any ordinary player would have left with a sore back, but his overtime performance draws criticism.

这是一个关于他职业精神的故事：科比完成了一场如果是其他任何普通球员都会选择因为背伤立场的比赛，但他加时赛的表现招来了一些批评。

It seemed OK at first, but now I have a really sore back.

最初看起来还可以，但是现在我的背非常痛。