令行禁止 [ㄌㄧㄥˋ ㄒㄧㄥˊ ㄐㄧㄣˋ ㄓˇ; ling4 xing2 jin4 zhi3] lit. if he orders you go, he forbids you stop (idiom); fig. to demand exact compliance with instructions to ensure strictly obedience ◄ ►