我给你一张地图(map),这样你就不会迷路（lose one’s way)了.
I will give you a map so that you won't lose your way
车辆那么多,以至我们上学迟到了.
there were so many cars that made us be late for school
他非常愤怒,以至他说不出一个字(could not say a word).
He was so angry that he couldn't say a word.
他走得非常快是为了及时赶到.
He walked so fast to be there on time