knock-knee

基本解释

He suffered no ill-effects and has been named in the squad but Theo Walcott collected a knock on his knee against the Romanian side.
赛后他的身体并没有不良的影响，已经被列入比赛名单，但西奥·沃尔科特在对阵罗马尼亚球队中膝盖被踢到。
bbs.arsenal.com.cn
A blue Issa crossover knee-length dress that she wore when her engagement to William was announced sold out within 24 hours and cheap knock-offs vanished almost instantly.
在她和威廉的订婚消息公布时穿的一件Issa品牌的蓝色色纬横条子布及膝裙在24小时内就全部卖光，连廉价的仿制品也几乎立刻被抢购一空。
www.chinadaily.com.cn
The midfielder seemed to hurt his knee during England's 2-1 friendly win over Japan on Sunday - but he has shrugged off the latest knock.
英格兰中场核心在2：1日本的比赛中再一次受伤，但是他已经被证实没什么大碍。
littlemarkg.blog.163.com

Innovations could take a system that requires sixty-three clinicians for a knee replacement and knock the number down by half or more.
NEWYORKER: Big Med

a condition in which the legs are bent inwards causing the knees to touch when standing (Technical name genu valgum)