膝部

tā xī bù shòu shāng shī qù le huò shèng de kě néng

他膝部受伤，失去了获胜的可能。

He had a knee injury, which put him out of the reckoning.

tā de lǎo po bǎ yī kuài bǔ piàn féng dào nà tiáo kù zi de xī bù

他的老婆把一块补片缝到那条裤子的膝部。

His wife sewed a patch onto the knee of the trousers.