一夜情 Traditional form: 一夜情 Pinyin (reading): yīyèqíng Definitions: one night stand Characters: 一 - one; a, an; alone 夜 - night, dark; under cover of night 情 - emotion, feeling, sentiment Traditional characters: 一 - one; a, an; alone 夜 - night, dark; under cover of night 情 - emotion, feeling, sentiment