根究

Children always dive to the bottom of a subject.

孩子们对问题总追根究底。

There are some mischievous and prosaic people who carp and calculate at every detail of the romancer.

有些刁钻促狭，迂腐愚蠢人，喜欢吹毛求疵，对小说家每个细节都要追根究底。

The poems of this phase had generally a narrative thread that was reduced at times to a shadow-and they rambled gracefully, argumentatively, variously.

这阶，般有条有时谈到只剩点影子叙事线索，这些这样优雅庄重地，追根究底地，变幻多端地抒写下去。

After studying the mental mechanism of language source and evolution through exploring the "past" of anthropogenesis and its development, we can grasp the process of language evolution.

只有通过对人类起源及发展“过去”寻根究底，来探究语言起源与进化心理机制，才能把握语言进化历程。