keep at arm's length from

keep at arm's length from someone or something

 and keep someone or something at arm's length
Fig. to retain a degree of physical or social remoteness from someone or something. I try to keep at arm's length from Larry, since our disagreement. I keep Tom at arm's length because we don't get along.
See also: keep, length
References in periodicals archive ?
I'm sure Gordon will keep at arm's length from the day-to-day football side of things.
L TIME was when political parties were banned from having stands on the Eisteddfod field, as the festival attempted to keep at arm's length from politics.
A bright new name is often reserved for a product the parent company wants to keep at arm's length from its core business, especially when their values are distinct.