3 sentences

1. 他把书籍胡乱地堆在角落里。

   tā bǎ shū​jí hú​luàn de duī zài jiǎo​luò lǐ.

   He piled the books haphazardly in the corner.

   Source: Dong Chinese Dictionary

2. 他在墙上胡乱涂鸦，写了一些带逼字的脏话。

   tā zài qiáng shàng hú​luàn tú​yā, xiě le yī​xiē dài bī zì de zāng​huà.

   He scribbled graffiti on the wall, including some vulgarities.

   Source: Dong Chinese Dictionary

3. 你没弄清楚事实，不要胡乱批评。

   nǐ méi nòng qīng​chu shì​shí, bù yào hú​luàn pī​píng.

   Don't criticize blindly without getting the facts straight.

   Source: Dong Chinese Dictionary