Cunning and thoughtless
As a Chinese idiom, the Pinyin is Ji ǎ oy ā ns ī s ì, which means to plot to invade a country with a greedy heart. From Guanzhong poem.
The origin of Idioms
Pan Yue's Guanzhong poem: "stupid Er Rong Di, cunning Yan Sisi."
Idiom usage
Used as a predicate or attributive; used in writing.
Cunning and thoughtless
logical administration and harmonious people - zhèng tōng rén hé
The truth is too big to be tolerated - dào dà mò róng
The willows cry and the flowers cry - liǔ qì huā tí