keep somebody at arm’s length
成語所屬單字length
keep somebody at arm’s length — 慣用語
1. To avoid becoming too close or friendly with someone.
1.慣用語
釋義
保持距離；疏遠
To avoid becoming too close or friendly with someone.
例句
Brian keeps his new colleague at arm's length.
She kept her ex-boyfriend at arm's length after the breakup.