quieter

例句：

1. 1.The park is quieter than the city center.
   公园比市中心更安静。
2. 2. She likes to spend her weekends reading quietly in her room.
   她喜欢在房间里静静地看书度过周末。
3. 3.The concert was much quieter than expected.
   音乐会比预期的要安静得多。