2 sentences

1. 他在走廊里大声叫嚷，惊动了所有人。

   tā zài zǒu​láng lǐ dà​shēng jiào​rǎng, jīng​dòng le suǒ​yǒu rén.

   He shouted loudly in the hallway, alarming everyone.

   Source: Dong Chinese Dictionary

2. 那些顾客正对着店员叫嚷，抱怨服务太差。

   nà​xiē gù​kè zhèng duì​zhe diàn​yuán jiào​rǎng, bào​yuàn fú​wù tài chà.

   Those customers are shouting at the clerk, complaining about the poor service.

   Source: Dong Chinese Dictionary