106716:so it's one of our priorities to help them work toget

106716:so it's one of our priorities to help them work together to reduce crime in hotels and,to our happiness,we have made considerable progress.
想知道的语言点：
1—so it's one of our priorities to help them work together：怎么翻译?
2—to our happiness：这里to怎么翻译?
1—so it's one of our priorities to help them work together to reduce crime in hotels ：
翻译：所以，这是我们优先考虑（的事情）之一，去帮助他们一起工作，去减少在旅店的犯罪。
2—to our happiness,we have made considerable progress.
to：令 to our happiness：令我们高兴的是。
made：取得，获得。made considerable progress：取得相当大的进步
progress：进步，进展
翻译：令我们高兴的是，我们已经取得相当大的进步。