2 sentences

1. 他在房间里静静地弹琴。

   tā zài fáng​jiān lǐ jìng​jìng de tán​qín.

   He is quietly playing his instrument in the room.

   Source: Dong Chinese Dictionary

2. 工作之余，他喜欢弹琴自娱。

   gōng​zuò zhī yú, tā xǐ​huan tán​qín zì​yú.

   In his spare time, he likes to play the piano for his own amusement.

   Source: Dong Chinese Dictionary