to not allow someone to become too friendly with you
与（某人）保持距离；疏远（某人）；不与（某人）过于亲近
"Keep someone at arm's length" 是一个常见的英语口语表达，意思是保持距离，不让某人靠近或过于亲近（无论是情感上、社交上还是其他层面）。它常常带有一种刻意保持疏远的感觉。
I always had the feeling she was keeping me at arm's length.
我总觉着她有意疏远我。
15 Nov 2024
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