acquaintance
单词辨析：
指见面点头的熟人，但还不是朋友。
She is not my friend, just an acquaintance.
她不是我的朋友，只是一个熟人。
His acquaintances are many, but his friends are few.
他的熟人不少，朋友却没几个。
指可倾诉衷肠、忠诚可靠之人。
He is my confidant.
他是我的知己。
The middle-aged woman regarded the boy as her confidant.
这个中年女人把那个男孩当作心腹朋友。
confidante 指女性知己、密友。
普通用词，多用于口语，尤指特别要好的朋友。
He is my pal at school.
他是我学校里的密友。
We've been pals since childhood.
我们打小就是好伙伴。
相关例句：
I have a large circle of friends and acquaintances engaged in photography.
我在摄影界交游甚广。
He is a man of wide acquaintance.
他是一个交游广阔的人。
It was at the mapstone's party that I first made his acquaintance.
我是在迈普斯顿的聚会上初次与他相识的。
Hammer's business pedigree almost guaranteed him the acquaintance of U.S. presidents
哈默的商业背景几乎保证了他能够结识美国总统。
They married on brief acquaintance.
他们相识不久就结婚了。
On first acquaintance she is cool and slightly distant.
初次相见时她表现冷淡并有点爱搭不理。