我只是打电话来随便聊聊孩子的事情。
他无拘无束地跟其他代表搞在一起，试图跟他们随便聊聊、开开玩笑。
He mingled freely with other delegates, trying to make small talk and little jokes.
他无拘无束地和其他代表混在一起，试图跟他们随便聊聊，开开玩笑。
He mingled freely with other delegates, trying to make small talk and little jokes.
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