Without a confrontation of ideas no clarity and thoroughness can be attained, and that's not good.

思想不交锋，就缺乏明确性和彻底性，这个不好。

youdao

Of course, the Reagan appointees all knew that they were liable to be replaced at some point, but the suddenness and thoroughness of the purge caught them all by surprise there had been no forewarning before Inauguration Day.

NPR: Looking at President Bush, Seeing an 'Impostor'