a glassy stare的用法和样例：
- She looked at the baby with a glassy stare.
- With a glassy stare, ie suggesting indifference
- empty eyes; a glassy stare; his eyes were glazed over with boredom.
- A glassy film, as one over the eyes.
- Sea otters at a glassy corner of the harbor.
- Owls screetches and their glassy stare are an omen of death and disaster.