We haven't had any more news from the frontier, so we'll just have to be patiend.
我们还没得到来自前方的进一步消息,所以我们只有耐心等待。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的,因为无法预见到洞穴探险者究竟会遇到什么性质的困难。