keep someone at arm's length
US /kiːp ˈsʌm.wʌn æt ˈɑːrmz ˈleŋθ/
UK /kiːp ˈsʌm.wʌn æt ˈɑːrmz ˈleŋθ/
1.
与某人保持距离, 疏远某人
to avoid being very friendly with someone
:
•
She always keeps everyone at arm's length, even her closest colleagues.
她总是与所有人保持距离，即使是她最亲密的同事。
•
After their argument, he decided to keep her at arm's length.
争吵之后，他决定与她保持距离。