洞察是…An Insight IS …
英文字典说，Insight是看清/看入某一状况   的能力          The English dictionary says an insight  is the power or act of seeing into a situation.

中文字典说，洞察是「洞悉事物原委的观察」 The Chinese dictionary says “Don Cha”  is a sharp observation that see   through the surface of something.