in his/her/their wisdom idiom humorous
以他／她／他们的智慧（用于表示不明白为什么某人要做蠢事）
something that you say when you do not understand why someone has done something stupid
The council, in its wisdom, decided to close the library and now the building stands empty. 市政会以他们的智慧决定关闭那所图书馆，于是现在那座大楼就空置着。