But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子,在你做出决定之前请一定要认真考虑我的话。
If no accidents occur on the way, like punctured tires, diversions of traffic, sudden descent of fog, they will be on time.
要是路上没有发生如爆胎、改道、突然起雾等意外事故,他们决不会迟到。