只许州官放火，不许百姓点灯
zhǐ​xǔ​zhōu​guān​fàng​huǒ, bù​xǔ​bǎi​xìng​diǎn​dēng

double standard

只许州官放火，不许百姓点灯 (只許州官放火，不許百姓點燈) zhǐ​xǔ​zhōu​guān​fàng​huǒ, bù​xǔ​bǎi​xìng​diǎn​dēng
double standard
A situation where those in authority are permitted to act freely while the common people are restricted; a display of hypocrisy and abuse of power.

Sources
Definitions
CC-CEDICT