3 sentences

1. 我听说她因谋杀罪被处死。

   wǒ tīng​shuō tā yīn móu​shā​zuì bèi chǔ​sǐ.

   I heard she was executed for murder.

   Source: OpenSubtitles

2. 由于犯下重罪，他最终被处死了。

   yóu​yú fàn​xià zhòng​zuì, tā zuì​zhōng bèi chǔ​sǐ le.

   He was eventually executed for committing a felony.

   Source: Dong Chinese Dictionary

3. 古代刑场上，死刑犯有时会被吊在绞架上处死。

   gǔ​dài xíng​chǎng shàng, sǐ​xíng​fàn yǒu​shí huì bèi diào zài jiǎo​jià shàng chǔ​sǐ.

   On ancient execution grounds, condemned prisoners were sometimes hanged from gallows.

   Source: Dong Chinese Dictionary