1 sentence

1. 他在房间里不安地走动，时而低头，时而叹气。

   tā zài fáng​jiān lǐ bù'ān de zǒu​dòng, shí'ér dī​tóu, shí'ér tàn​qì.

   He paced restlessly around the room, now bowing his head, now sighing.

   Source: Dong Chinese Dictionary