at arm's length
成語所屬單字arm
at arm's length — 慣用語
1. keeping someone or something a small but clear distance away, especially to avoi
1.慣用語
釋義
保持距離；不過分親近
keeping someone or something a small but clear distance away, especially to avoid getting too close emotionally or in business.
例句
The company kept the noisy investor at arm's length during the merger talks.
After the argument, Mei held her cousin at arm's length for almost a year.