凹陷的面颊／眼窝If you have hollow cheeks or eyes, your cheeks curve in or your eyes look deep in your head because you are old, tired, or ill.
He was an elderly man with hollow cheeks.
The candlelight highlighted her hollow cheeks and haunted eyes.
With hollow cheeks and a three-day beard, he looked like a ghost.
The children had pale skin and hollow eyes.
Her hollow eyes were filling with tears.
See also: hollow adjective (EMPTY)