old acquaintance old friend
...[ former acquaintance ] 旧时相识 [ old acquaintance old friend ] 旧日有交往的人 老朋友 旧交 旧知 [ an experienced man knows the ropes knowledge of a veteran an old hand is a good guid as an old horse ...
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old acquaintance old friend
老相识，老朋友
以上为机器翻译结果，长、整句建议使用 人工翻译 。