求翻译：他们除了去爱尔兰还要去瑞典，但现在瑞典的邀请函出了问题，整个行程都延后了，而且不清楚延到什么时候，有了确定消息我再和您联系，实在抱歉。是什么意思？

They determine the message wanted to go to Ireland, Sweden, but Sweden's invitation in addition to the problem, the entire line of Chengdu Yan after, but do not know the extension when I contact you again, I'm very sorry.

正在翻译，请等待...

They except go to Ireland also to have to go to Sweden, but the present Sweden's invitation letter except the question, the entire traveling schedule has all postponed, when moreover extends not clearly, had the determination news I again and you relates, really was sorry.

They went to Ireland and goes to Sweden, but now Sweden's invitation in addition to the problems, the entire trip had been delayed, but it was not clear when to extend, I contact you again to have determined, terribly sorry.

正在翻译，请等待...