Not only do they sound similar; both involve acting with a kind of insouciant brio.
它们不仅听起来相似;两者都涉及以一种漫不经心的方式行事。
一中两英西游记
The Handsome Monkey King had enjoyed this insouciant existence for three or four hundred years when one day, The Handsome Monkey King's innocent high spirits could not, of course, last three or four hundred years.