keep somebody at arm's lenght

jelentés / meaning: 
három lépés távolságot tart valakivel
(= "kartávolágban tart valakit, nem engedi annál közelebb ")
If you keep someone or something at arm's length, you keep a safe distance away from them.

példák / examples:

  • There is an art in managing to be polite while keeping your neighbours at arm's length.
  • Martha always keeps her coworkers at arm's length.
(Martha, who works in an office, is very careful when it comes to sharing personal details at work. Her coworkers are always trying to engage Martha in personal conversations. They invite Martha to parties and other social events. Martha always refuses the invitations. Martha prefers to keep her professional work life very separate from her personal life.) source