Meaning of yóu dàng:
游荡
to wander; to roam about; to loaf about; to be idle
Tā xǐhuān zài chéngshì lǐ suíyì yóudàng.
他喜欢在城市里随意游荡。
He likes to wander aimlessly around the city.
Tā zhěng tiān zài chéng shì lǐ yóu dàng.
他整天在城市里游荡。
He roams around the city all day.
Tā zhěng tiān zài gōngyuán lǐ yóudàng, méiyǒu gōngzuò.
他整天在公园里游荡,没有工作。
He loitered in the park all day without a job.
Tā měitiān zài jiēshàng wúsuǒshìshì de yóudàng.
他每天在街上无所事事地游荡。
He idly wanders on the streets every day.