leave...alone together是什么意思?

题目

leave...alone together是什么意思?
1.leave…alone together是固定短语吗?如果是,
这个短语出现这下面的一段话中——第三句话.
Gouvernail's quiet personality puzzled Mrs.Baroda.After a few days with him,she could understand him no better than at first.she left her husband and his guest for the most part,alone together,only to find that Gouvernail hardly noticed her absence.
＝＝＝＝＝＝＝＝＝＝＝
2.这个短语是不是有leave...alone引申而来的?
3.为什么要用together呢?

答案

1.不是固定短语；
2.既然不是固定短语,当然也就不是有leave...alone引申而来的了（当然了,翻译时还是用leave...alone的意思来翻译）；
3.正如楼上所说,她把她丈夫和丈夫的客人晾在那儿,因为是两个人,根据当时的情况加上together,作为强调.