the tender age of (something)
the tender age of (something)
A specific youthful age. Sarah's a child genius. She was doing science experiments at the tender age of 10! I experienced my first true heartbreak at the tender age of 18.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
tender age of
the young age of... She left home at the tender age of 17 and got married to a rock singer.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.