2 sentences

1. 他可是跟他女儿一样倔强。

   tā kě​shì gēn tā nǚ'ér yī​yàng jué​jiàng.

   He's just as stubborn as his daughter.

   Source: OpenSubtitles

2. 他性格倔强，从不轻易向困难低头。

   tā xìng​gé jué​jiàng, cóng bù qīng​yì xiàng kùn​nan dī​tóu.

   He has a stubborn character and never easily gives in to difficulties.

   Source: Dong Chinese Dictionary