The professor could hardly find sufficient ground

Question

The professor could hardly find sufficient grounds on which to base his arguments in favor of the new theory.
请分析一下此句话的句子成分，十分感谢。
谢谢。拜托了，谢谢了。

Answer 1

这位教授很难找到，在此基础他的论据有利于新理论充分理由。