- 旧时光 jiùshíguāng old daysthe past or a period of time in the past, often viewed with nostalgia
- 时光机 shíguāngjī time machinea machine used for traveling through time
- 时光隧道 shíguāngsuìdào time tunnelA metaphorical or imaginary passage connecting the past, present, and future.
- 欢乐时光 huānlèshíguāng happy hourhappy time; happy hour in bars and restaurants
