destroy evils before they become apparent
The explanation is the same as "Du Jian fangmeng". He was born in the biography of Wang Yikang in Pengcheng, the book of Song Dynasty: "Du gradually eliminated Wei, and what he was doing in ancient and modern times, his misfortunes and opportunities suddenly occurred, and his mediocrity could be ignored."
destroy evils before they become apparent
splits off as it meets the edge of knife without effort - yíng rèn ér lǐ
be refreshed by the cool breeze of autumn - jīn fēng sòng shuǎng
the means of the people have been used up - mín qióng cái kuì
be equal in match or contest of strength - qí gǔ xiāng dāng