all eyes|all|eye|eyes イディオム
all eyes|all|eye|eyes
adj. phr.,
informal Wide-eyed with surprise or curiosity; watching very closely.

Used in the predicate.
At the circus the children were all eyes.all eyes|all|eye|eyes
adj. phr.,
informal Wide-eyed with abruptness or curiosity; watching actual closely.

Used in the predicate.
At the bazaar the accouchement were all eyes. Dictionary