Arm's length relationship
[经] 正常关系
🧩 词语组成解析
🗣️ 情景例句
You should take your health more seriously.
你对自己的健康得更当回事儿。
He has gone to America.
他去了美国。[表示结果持续至今]
He should have known that the police would never allow this sort of thing.
他本该知道警察绝不会允许这类事情发生。