红绿灯 hónglǜdēng traffic light Origin Definitions Defs Strokes Stroke Words Sentences Sents 红 紅 hóng adjective red the color of blood; having a reddish color绿灯 綠燈 lǜdēng noun green light 1. green traffic signal indicating that vehicles and pedestrians may proceed; 2. permission or authorization to proceed with a task or project