4 sentences

1. 违章停车会被罚款。

   wéi​zhāng tíng​chē huì bèi fá​kuǎn.

   Parking illegally results in a fine.

   Source: Dong Chinese Dictionary

2. 严禁违章停车。

   yán​jìn wéi​zhāng tíng​chē.

   Illegal parking is strictly prohibited.

   Source: Dong Chinese Dictionary

3. 警察在路口拦住了那辆违章的汽车。

   jǐng​chá zài lù​kǒu lán​zhù le nà liàng wéi​zhāng de qì​chē.

   The police stopped the car for a traffic violation at the intersection.

   Source: Dong Chinese Dictionary

4. 政府对该地区的违章建筑长期放任，导致管理失控。

   zhèng​fǔ duì gāi dì​qū de wéi​zhāng jiàn​zhù cháng​qī fàng​rèn, dǎo​zhì guǎn​lǐ shī​kòng.

   The government's long-term neglect of illegal structures in the area led to a loss of control.

   Source: Dong Chinese Dictionary