第一，迷你对话
A: Peter and you should remain at arm’s length.
Peter应该和你保持距离。
B: I don’t know what you mean. Anything wrong?
我不明白你的意思，有什么不对劲吗？
A: You are single, but he has had a family. You should avoid gossip.
你是单身，他是有家庭的人，你要避免谣言。
第二，地道表达
remain one’s arm length
1. 解词释义
remain one’s length的字面意思是“保持一个手臂的距离”，比喻为：和某人的来往保持一定距离，避免过于亲密。
2. 拓展范例
e.g. James rarely speak to his wife, he keeps her at arm's length.
詹姆斯难得对妻子讲话，他对她若即若离。
e.g. I keep him at arm's length.
我和他保持一定的距离。
