She's perfectly quiet, but once you sit or lie down, she responds to your every move.
她非常的安静，但是一旦你坐下或者躺下，她会对你的每个动作有所反应。
2
With their clear wide eyes, they regarded my every move with quiet attentiveness.
她们瞪大清澈的眼睛，安静地注视着我的每个动作。
3
Some have stayed quiet about Amazon’s move so far because they regard it as the foundation of a more ambitious music service that will provide new revenues for them.