例句：

　　The new librarian is a friend of mine.

　　這位新來的圖書管理員是我的朋友。

　　He's more than a coach, he's a friend.

　　他不只是個教練，還是個朋友。

　　We met at the home of a mutual friend.

　　我們在彼此都認(rèn)識的朋友家中會面。

　　I walked across Scotland with a friend.

　　我和一個朋友徒步穿越了蘇格蘭。

　　Mercifully, a friend came to the rescue.

　　很幸運，一個朋友趕來解救了。