all ears|all|ear|ears イディオム
all ears|all|ear|ears
adj. phr.,
informal Very eager to hear; very attentive.

Used in the predicate.
Go ahead with your story; we are all ears. When John told about the circus, the boys were all ears.all ears|all|ear|ears
adj. phr.,
informal Actual acquisitive to hear; actual attentive.

Used in the predicate.
Go advanced with your story; we are all ears. When John told about the circus, the boys were all ears. Dictionary