1·We met at the home of a mutual friend.
我们在彼此都认识的朋友家中会面。
—— 《牛津词典》
2·Lynn and Phil met though a mutual friend.
林恩和菲尔是通过共同的朋友相识的。
3·Lynn and Phil met through a mutual friend.
林恩和菲尔是通过共同的朋友相识的。
4·Lynn nand Phil met through a mutual friend.
林恩和菲尔是通过共同的朋友相识的。
5·They met each other through a mutual friend.
他们是通过一位共同的朋友而认识的。
6·They knew each other through a mutual friend.
他们是通过一位共同的朋友认识的。
7·Li Hong is a mutual friend of Lizzy and Chang.
李红是莉齐和小张两人共同的朋友。
8·It seems that Jane is a mutual friend of ours.
简好像是我们共同的朋友。
9·We were happy to have him as our mutual friend.
我们很高兴让他成为我们共同地朋友。
10·Mr. B has been our mutual friend for five years.
先生是我们共同的朋友已经五年了。