2 sentences for 硬是 (yìng​shì)

1. 那么难的题，他硬是给做出来了。

   nà​me nán de tí, tā yìng​shì gěi zuò chu​lai le.

   He actually managed to solve such a difficult problem through sheer persistence.

   Source: Dong Chinese Dictionary

2. 他硬是不听大家的劝告，非要一个人去。

   tā yìng​shì bù tīng dà​jiā de quàn​gào, fēi yào yī gè rén qù.

   He stubbornly refused to listen to anyone's advice and insisted on going alone.

   Source: Dong Chinese Dictionary