2 sentences

1. 他在走廊里来回踱步，显得非常焦虑。

   tā zài zǒu​láng lǐ lái​huí duó​bù, xiǎn​de fēi​cháng jiāo​lǜ.

   He paced back and forth in the hallway, looking very anxious.

   Source: Dong Chinese Dictionary

2. 他在走廊里焦急地踱来踱去，等待手术结果。

   tā zài zǒu​láng lǐ jiāo​jí de duó​lái​duó​qù, děng​dài shǒu​shù jié​guǒ.

   He paced back and forth anxiously in the hallway, waiting for the surgery results.

   Source: Dong Chinese Dictionary