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Two seasons ago he broke his left kneecap .

两个赛季前，他的左膝又受伤了。

Q : is the pain in the front of the knee below the kneecap ?

问：疼痛部位是否在膝盖骨前方的髌骨下侧？

A common complaint among long-distance runners , runner 's knee feels like a soreness around and sometimes behind the kneecap .

长跑者中一个常见的抱怨，跑步者的膝盖感觉周围酸痛，有时在膝盖骨后面。