look the other way - 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.
Deliberately overlook something, especially something of an illicit nature. For example, They're not really entitled to a discount but the sales manager decided to look the other way. This expression uses the other way in the sense of “away from what is normal or expected.”