at arm's length

adv.

疏远，在手臂伸得到的地方；

At Arm's Length
At Arm's Length
At Arm's Length:
VE-cadherin: adhesion at arm's length
VE-cadherin: adhesion at arm9s length
Kept at arm's length: questioning the organizational desirability of member identification
Keeping things at arm's length: a genealogy of asymmetry
CHINA AND NORTH KOREA: FROM COMRADES-IN-ARMS TO ALLIES AT ARM'S LENGTH
Hands On/Hands Off: Why Health Care Professionals Depend on Families but Keep Them at Arm's Length
Sustainable Consumption in the United Kingdom: The “Responsible” Consumer and Government at “Arm’s Length”
Relationships with the drug industry: Keep at arm's length.
Art at Arm's Length: A History of the Selfie
Still playing the game at arm's length? The selective re-investment in British sport, 1995–2000