drag one's feet - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Also, drag one's heels. Act or work with intentional slowness, deliberately hold back or delay. For example, The British had been dragging their feet concerning a single European currency. This metaphor for allowing one's feet to trail dates from the mid-1900s.