HSK 1
Wǒ wěituō péngyou bāng wǒ mǎi piào.
I asked a friend to buy tickets for me.
HSK 4
Tā wěituō lǜshī chǔlǐ zhè jiàn shì.
He entrusted a lawyer to handle this matter.
HSK 4
Zhège gōngchéng wěituō gěi le yì jiā gōngsī.
This project was commissioned to a company.