To have a friend : a pal.
想要一个朋友 一个伙伴。
"I've a friend-a girl friend, who knows him."
“我的一个朋友——女朋友，认识这姓赵的。”
I am boarding at a friend's house.
我在一个朋友家搭伙。
The cow has a friend on its back.
母牛背上有一个朋友。
John sent a parcel to a friend of his .
约翰寄一个包裹给他一个朋友。
A friend convinces me to go on a blind date with a lady of his.
我的一个朋友劝说我和他的一个女朋友进行约会。
Lynette: I know someone who knows someone who knows an elf.
林内特：我朋友的朋友的朋友认识一个精灵。
Hugh is a friend, a dear good friend.
休是我的朋友，一个难得的好朋友。
Knock up against an old friend
偶然遇见一个老朋友
He met an old friend by chance.
他偶然遇见一个老朋友。
She kissed her hand to her friends.
她给朋友一个飞吻。
Two friends were camping together.
两个朋友正在一起野营。
I knock up against an old friend.
我偶然遇见一个老朋友。
I came across an old friend.
我碰见了一个老朋友。
In time of prosperity, friends will be plenty, in time of adversity, not one amongst twenty .
旺时朋友多，落魄无一个。
I share a room with my friend.
我跟朋友同住一个房间。
He is a friend in word as well as in deed.
他是个言行如一的朋友。
sublet a room to a friend
把一个房间转租给朋友.