diktat

n [C, U] (derog 贬) order, esp an unreasonable one, that must be obeyed 命令, 指令, 勒令（尤指不合理而又必须服从的）: refuse to accept the foreign diktat 拒绝接受这道外国的苛刻命令.

digestible, digestion, digestive, digestive biscuit (also digestive), digestive system, digger, digging, digit, digital, dignified, dignify, dignitary, dignity, digraph, digress, digression, digressive, digs, dike, dike (also dyke), dilapidate, dilapidated, dilapidation, dilate, dilated, dilation, dilatorily, dilatoriness, dilatory, dilemma, dilettante, dilettantish, dilettantism, diligence, diligent, diligently, dill, dilly, dilly-dally, dilute,