老师盛情难却，就答应了我们的请求。

The teacher appealing proposal, agreed to our request.

这是一次连法官也盛情难却的选美比赛。

This is the beauty contest that could end with the judges getting an offer they can't refuse.

那么我来参加圣诞派对。你知道的，只是因为盛情难却，但是请你告诉我新年晚会的时间。

So I'll come to this just you know, because of a favor or whatever. But let me know about the New Year's party.