She's a good rider.她是一个好骑手。

As we came out of the stables, a rider came towards us.我们走出马棚时, 一个骑手向我们走来。

Mr Casey said he could see no necessity to add any rider on the use of firearms by police.凯西先生说, 他认为没有必要附加任何关于警察使用枪械的条款。