3 sentences

1. ‎你左腿受伤了吧？

   ‎ nǐ zuǒ​tuǐ shòu​shāng le ba?

   Your left leg is hurt, isn't it?

   Source: OpenSubtitles

2. 他踢球时不小心伤到了左腿。

   tā tī​qiú shí bù xiǎo​xīn shāng dào le zuǒ​tuǐ.

   He accidentally injured his left leg while playing football.

   Source: Dong Chinese Dictionary

3. 从这张X光片可以清楚地看到，他的左腿骨干部位出现了裂纹。

   cóng zhè zhāng X​guāng​piàn kě​yǐ qīng​chu de kàn​dào, tā de zuǒ​tuǐ gǔ​gàn bù​wèi chū​xiàn le liè​wén.

   From this X-ray, it is clearly visible that there is a crack in the shaft of his left leg bone.

   Source: Dong Chinese Dictionary