My best friend has been like a sister to me.
我最要好的一个朋友待我亲如姐妹。
He went off with his best friend's wife.
他和最要好的朋友的妻子走了。
She confided all her secrets to her best friend.
她向她最要好的朋友倾吐了自己所有的秘密。
John's my best friend
约翰是我最好的朋友。
I found myself behind a curtain, necking with my best friend's wife.
我意识到自己在帘子后面吻着至友的妻子。