zhè / pǐ / mǎ / de / hòu / zhī / shòu / le / shāng / zàn / shí / bù / néng / cān / jiā / bǐ / sài

这匹马的后肢受了伤，暂时不能参加比赛。

This horse injured its hind legs and cannot compete for the time being.