封建
system of enfeoffment; feudalism; feudal; feudalistic
讽谏
(literary) to remonstrate with one's superior tactfully
封建思想
feudal way of thinking
丰俭由人
fancy or simple according to sb's budget (idiom)
半封建半殖民地
semi-feudal and semi-colonial (the official Marxist description of China in the late Qing and under the Guomindang)
自奉俭约
to live frugally (idiom)