柯林斯词典stay up (staying,stayed,stays) 1. PHRASAL VERB If you stay up, you remain out of bed at a time when most people have gone to bed or at a time when you are normally in bed yourself. 熬夜 I used to stay up late with my mom and watch movies. 我過去常和媽媽熬夜看電影。 返回 stay up