keep someone at arm's length

US /kiːp ˈsʌm.wʌn æt ˈɑːrmz ˈleŋθ/
UK /kiːp ˈsʌm.wʌn æt ˈɑːrmz ˈleŋθ/
"keep someone at arm's length" picture
1.

jemanden auf Distanz halten, jemanden fernhalten

to avoid being very friendly with someone

:
She always keeps everyone at arm's length, even her closest colleagues.
Sie hält immer alle auf Distanz, sogar ihre engsten Kollegen.
After their argument, he decided to keep her at arm's length.
Nach ihrem Streit beschloss er, sie auf Distanz zu halten.