[满腹经纶 / 滿腹經綸, mǎn fù jīng lún, ㄇㄢˇ ㄈㄨˋ ㄐㄧㄥ ㄌㄨㄣˊ]full of political wisdom (成语 saw); politically astute; with encyclopedic experience of state policy#86056[Add to Longdo]
[やきがまわる, yakigamawaru](v5r) to become decrepit; to be in one's dotage; to become dull; to lose one's astuteness; to lose one's touch; to become senile; to lose one's edge; to go downhill[Add to Longdo]