2 sentences

1. 他的一条腿跛了，行动很不方便。

   tā de yī tiáo tuǐ bǒ le, xíng​dòng hěn bù fāng​biàn.

   One of his legs is lame, making it difficult for him to move.

   Source: Dong Chinese Dictionary

2. 他因为脚受伤，走起路来有点一瘸一跛。

   tā yīn​wèi jiǎo shòu​shāng, zǒu qǐ lù lái yǒu​diǎn yī qué yī bǒ.

   Because of an injured foot, he walks with a bit of a limp.

   Source: Dong Chinese Dictionary