请问 as to what to do in that 在这个句子里做什么结构呢,能帮我分析分析这个句式嘛?

请问 as to what to do in that 在这个句子里做什么结构呢,能帮我分析分析这个句式嘛?
the teacher would be at a loss as to what to do in that controlling the situation itself would be challenging enough.

对于该怎么做,那位老师一片茫然,因为要控制局面都是极具挑战性的事
1.as to what to do 关于该怎么做
2.in that “因为”