Meaning of every shut eye isn't asleep | Babel Free

Definitions

One must be careful, because some people who seem not to be paying attention are actually paying attention.

Examples

“The other girls appeared to be sleeping through it as well, but there's an old saying that says every closed eye isn't sleeping.”

““Hi, Daddy. I thought you were asleep.” “All closed eyes aren't sleep, baby,” he said, and peeped at his watch.”

CEFR level