我可以想象到要使8亿人民团结起来将会遇到的几乎不可克服的困难。

I can imagine the almost insuperable obstacles to the unity of 800million people.

youdao

单汉字标引法是在基于汉语分词的自动标引研究遇到不可克服的困难之后，而产生的一种新的自动标引方法。

The single Chinese character indexing is a new automatic indexing method produced as automatic indexing research of Chinese word segmenting meets some difficulties that can't be overcomed.

youdao

这个游戏有一个单一的不可违反的规则：困难是被克服的，不是被回避的。

The game had a single inviolable rule: obstacles were to be overcome, not circumvented.

《柯林斯英汉双解大词典》