1) I regard him as a friend.
我把他当做朋友。
2) He squealed on his friends.
他把朋友给告了.
3) He is a friend of our family
他是我家的朋友
4) He is an old friend of mine.
他是我的老朋友。
5) He is a friend of mine.(He is one of my friends.)
他是我的朋友。
6) He and I are friends.
我同他是朋友。
参考词条