- 只许州官放火,不许百姓点灯 zhǐxǔzhōuguānfànghuǒbùxǔbǎixìngdiǎndēng one rule for the rich and another for the poorDescribes a situation where those in power are allowed to do whatever they want, while ordinary people are forbidden from even the most basic activities; often implies double standards or hypocrisy by superiors toward their subordinates.
- 点灯器 diǎndēngqì ignitera device used to light or start a lamp, heater, or motor
- 瞎子点灯 xiāzidiǎndēng blind man lighting a lampto waste one's effort; literally a blind man lighting a lamp, used as the first part of a two-part allegorical saying where the second part implies a waste of wax or useless labor
- 茅坑里点灯 máokēnglǐdiǎndēng to court death(slang) to go looking for trouble or to risk one's life; a pun based on the near-homophones [[照屎|照屎|zhao4 shi3]] (shining a light on feces) and [[找死|找死|zhao3 si3]] (looking for death)