many people are at a loss as to what to do in case of an earthquake. 那个as to是什么玩意
问题描述：
many people are at a loss as to what to do in case of an earthquake. 那个as to是什么玩意
答
as to 是“关于；至于”的意思
翻译：许多人在关于地震时该怎么做 不知所措