- 一夜夫妻百夜恩 yīyèfūqībǎiyè'ēn a night together creates a lasting bond(proverb) Even a single night as husband and wife creates a deep and lasting affection for a hundred nights; once a couple relationship is established, there is a deep and enduring bond.
- 一夜之间 yīyèzhījiān overnightin the space of one night; used both literally for a single night and figuratively for a very short period of time
- 一夜情 yīyèqíng one-night standa sexual encounter that happens only once, typically motivated by impulse or temporary passion
- 一夜无眠 yīyèwúmián to have a sleepless nightTo stay awake all night without being able to sleep; to toss and turn throughout the night
- 一夜爆红 yīyèbàohóng to become popular overnightTo become an overnight sensation; to gain sudden fame or popularity in a very short time.
- 一千零一夜 yīqiānlíngyīyè One Thousand and One NightsThe Arabian Nights; a collection of ancient Middle Eastern folk tales also known as [[天方夜谭|天方夜譚|tian1 fang1 ye4 tan2]]
- 一夜露水 yīyèlùshuǐ ephemeralshort-lived; transient; fleeting as overnight dew