give a wide berth to vs keep at arm's length

give a wide berth to

keep at arm's length

verb
  • Avoid a close relationship. 

  • Avoid direct confrontation or struggle. 

  • Keep at a distance, away from one's body. 

How often have the words give a wide berth to and keep at arm's length occurred in a corpus of books? (source: Google Ngram Viewer )