You can't teach an old dog new tricks


People who have long been used to doing things in a particular way will not abandon their habits. (Compare It's never too late to mend.)

Words Nearby You can't teach an old dog new tricks

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.