Háizi qù wàipó jiā le, nándé xiǎngshòu yíxià èrrénshìjiè.
The kid went to Grandma's, so we get to enjoy some rare couple-time.
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culture
A go-to phrase for couple-only time, especially after kids arrive. Often paired: 享受二人世界 'enjoy couple-time,' 过二人世界 'live as just-the-two-of-us.' Originated as a 1980s pop-culture import from Hong Kong and Taiwan media.