2 sentences

1. 让我们遵守我们的校规。

   ràng wǒ​men zūn​shǒu wǒ​men de xiào​guī.

   Let's obey our school rules.

   Source: AI Challenger 2017

2. 吸烟是违反校规的。

   xī yān shì wéi​fǎn xiào​guī de.

   It's against the rules of the school to smoke.

   Source: UM-Corpus: Spoken