3 sentences

1. 这个特技动作是由专业替身完成的。

   zhè gè tè​jì dòng​zuò shì yóu zhuān​yè tì​shēn wán​chéng de.

   This stunt was performed by a professional stunt double.

   Source: Dong Chinese Dictionary

2. 在这次事故中，他被迫成了那个司机的替身。

   zài zhè cì shì​gù zhōng, tā bèi​pò chéng le nà gè sī​jī de tì​shēn.

   In this accident, he was forced to act as a scapegoat for the driver.

   Source: Dong Chinese Dictionary

3. 在他生病期间，我找了一个替身来完成工作。

   zài tā shēng​bìng qī​jiān, wǒ zhǎo le yī gè tì​shēn lái wán​chéng gōng​zuò.

   While he was sick, I found someone to fill in and complete the work.

   Source: Dong Chinese Dictionary