3 sentences

1. 这种低劣的骗术完全是为了惑人。

   zhè zhǒng dī​liè de piàn​shù wán​quán shì wèi​le huò​rén.

   This shoddy trickery is entirely meant to deceive people.

   Source: Dong Chinese Dictionary

2. 商家因销售质量低劣的商品而受到了处罚。

   shāng​jiā yīn xiāo​shòu zhì​liàng dī​liè de shāng​pǐn ér shòu​dào le chǔ​fá.

   The merchant was penalized for selling low-quality goods.

   Source: Dong Chinese Dictionary

3. 这种低劣的骗术完全是为了惑人，大家千万别上当。

   zhè zhǒng dī​liè de piàn​shù wán​quán shì wèi​le huò​rén, dà​jiā qiān​wàn bié shàng​dàng.

   This crude trick is purely meant to deceive; don't be fooled by it.

   Source: Dong Chinese Dictionary