HSK 6
Lǎorén men xǐhuān zài gōngyuán lǐ xiánzuò, shài tàiyáng liáotiān.
The elderly like to sit idly in the park, sunbathing and chatting.
HSK 7-9
Yǔqí xiánzuò zài jiā, bùrú chūqù zǒuzou.
Rather than sitting idly at home, you'd be better off going for a walk.