3 sentences

1. 这款自动扫地机真是上班族的神器。

   zhè kuǎn zì​dòng sǎo​dì​jī zhēn shì shàng​bān​zú de shén​qì.

   This robot vacuum is a real lifesaver for office workers.

   Source: Dong Chinese Dictionary

2. 传国玉玺被视为象征最高皇权的神器。

   chuán​guó yù​xǐ bèi shì​wéi xiàng​zhēng zuì gāo huáng​quán de shén​qì.

   The Heirloom Seal of the Realm is regarded as a divine vessel symbolizing the highest imperial power.

   Source: Dong Chinese Dictionary

3. 勇者在古庙中找到了这件传说中的神器。

   yǒng​zhě zài gǔ miào zhōng zhǎo​dào le zhè jiàn chuán​shuō zhōng de shén​qì.

   The brave warrior found the legendary divine artifact in an ancient temple.

   Source: Dong Chinese Dictionary