If you fraternize with someone, you associate with them in a friendly way.
例句
At these conventions, executives fraternized with the key personnel of other banks...在这些集会上,主管们和其他银行的重要人员友善往来。Mrs Zuckerman does not fraternize widely...朱克曼夫人结交并不广泛。
英汉词典释义
vi.
结交,交友,(尤指)亲敌
Soldiers from the two armies stopped fighting and fraternized.两军士兵停止作战,并友好地交往。The soldiers were forbidden to fraternize.士兵被禁止与敌兵亲善。
英英词典释义
Verb
1. be on friendly terms with someone, as if with a brother, especially with an enemy