give a wide berth
Avoid, as in After Jane told on them, they gave her a wide berth. This expression alludes to giving a vessel enough room to swing at anchor so as to avoid a collision. [Mid-1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.