2 sentences for 退 (tuì — decline)

1. 他已经礼貌地退了那份厚礼。

   tā yǐ​jīng lǐ​mào de tuì le nà fèn hòu​lǐ.

   He has politely returned the generous gift.

   Source: Dong Chinese Dictionary

2. 他因为高烧不退而产生了幻觉，看到墙上有黑影在晃动。

   tā yīn​wèi gāo​shāo bù tuì ér chǎn​shēng le huàn​jué, kàn​dào qiáng shàng yǒu hēi​yǐng zài huàng​dòng.

   He hallucinated due to a persistent high fever, seeing dark shadows moving on the wall.

   Source: Dong Chinese Dictionary