He leaves a wife and two children.

　　他遺下妻子和兩個孩子。

　　He's been separated from his wife for a year.

　　他和妻子分居一年了。

　　He separated from his wife after 20 years of marriage.

　　他和妻子在結婚20年后分居了。

　　Because of his wife being there, I said nothing about it.

　　他的妻子在場，我便沒提及這事。

　　He went off with his best friend's wife.

　　他和最要好的朋友的妻子走了。