2 sentences

1. 这种灯光布置给人一种房间很宽敞的错觉。

   zhè zhǒng dēng​guāng bù​zhì gěi rén yī zhǒng fáng​jiān hěn kuān​chang de cuò​jué.

   This lighting arrangement gives the illusion of a spacious room.

   Source: Dong Chinese Dictionary

2. 你不要产生一种只要通过考试就万事大吉的错觉。

   nǐ bù yào chǎn​shēng yī zhǒng zhǐ​yào tōng​guò kǎo​shì jiù wàn​shì​dà​jí de cuò​jué.

   Don't fall under the illusion that everything will be fine as long as you pass the exam.

   Source: Dong Chinese Dictionary