What is the idiom of a person reaching into the clouds in the sky?

Cover the sky with one hand [y and sh ǒ u zh ē ti ā n]

Basic explanation

Cover the sky with one hand. Describe relying on power, playing politics and deceiving the masses.

tidy

Zhang Mingdai's Biography of Ma Shiying and Ruan Dacheng: "Good wine is like meat; Japanese lead to debauchery; Do not save foreign affairs; And Shiying covers the sky with one hand; Do your best. "