come within earshot
come within earshot
To move close enough to clearly hear what someone says or does. They didn't realize I had come within earshot while they were discussing my performance in school. Let's step outside—I don't want the kids to come within earshot while we're arguing.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
come within earshot
(of something) Go to within earshot (of something).
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.