1.But the ringing continued and gained definitiveness until at length, I found that it was not within my ears.
但是响声还在继续并且越来越准确，直到最后我发现我听不到它了。
2.The definitiveness of property rights is the degree of exclusiveness concerning people's property.
产权确定性就是人们对其资产排他性权利的实现程度。
3.He opposed to seek the definitiveness and suggested "knowing" itself "act" as the core.
他反对寻求确定性，认为“知”本身就是以“行”作为核心的。