无思无虑 | wú sī wú lu:4 | (idiom) carefree / untroubled | |
心旷神怡 | xīn kuàng shén yí | lit. heart untroubled, spirit pleased (idiom) / carefree and relaxed | |
羲皇上人 | xī huáng shàng rén | lit. a person before the legendary emperor Fuxi 伏羲[Fu2 Xi1] / person from ages immemorial / fig. untroubled person | |
净心修身 | jìng xīn xiū shēn | to have an untroubled heart and behave morally (idiom) |