She spoke quietly so she wouldn't wake the baby.
He spoke quietly so no one would hear.
Going to the library, she studies quietly.
This café is perfect for studying quietly.
She was generous enough to donate quietly.
That room is suitable for studying quietly.
We enjoy relaxing quietly from time to time.
The hall was full of people waiting quietly.
She was sensitive enough to offer help quietly.
He prefers to work quietly rather than multitask.
They were used to speaking quietly in the library.
Patients are required to wait quietly during the process.