free的副詞是什么意思

　　We have referred freely to his ideas.

　　我們大量地參考他的想法。

　　You're among friends here—you can speak freely.

　　這兒都是自己人，有話直說好啦。

　　Conversation flowed freely throughout the meal.

　　席間大家一直談笑甚歡。