他推辞了那份工作。

Tā tuīcí le nà fèn gōngzuò.

I declined that job.

我推辞了他们的邀请。

Wǒ tuīcí le tāmen de yāoqǐng.

I declined their invitation.

他约我吃饭，我想了很久，最后还是推辞了。

Tā yuē wǒ chīfàn, wǒ xiǎng le hěn jiǔ, zuìhòu háishì tuīcí le.

He invited me to dinner, I thought about it a long time, but declined in the end.