1 a person that you know and like (not a member of your family), and who likes you 朋友: Trevor and I are old friends. We were at school together. 特雷弗跟我是老朋友，我们一起念过书。We're only inviting close friends and relatives to the wedding. 我们只邀请近亲好友参加婚礼。Helen's my best friend. 海伦是我最要好的朋友。A friend of mine told me about this restaurant. 这家餐馆是一个朋友介绍给我的。One of my friends told me about this restaurant. 这家餐馆是一个朋友介绍给我的。 ☞Look at boyfriend, girlfriend and penfriend. 参看boyfriend、girlfriend及penfriend。

2 a friend of/to sth a person who supports an organization, a charity, etc, especially by giving money; a person who supports a particular idea, etc 帮助或支持…的人: the Friends of the Churchill Hospital 丘吉尔医院之友