n.
偶然；无心；随便casualness
Noun
a casual manner
casualness例句
He filmed at the casualness of the Waiter.
他为服务员漫不精心的态度大为恼火。
casualness近义词
freedom informality nonchalance calmness coolness insouciance unconcern indifference carelessness negligence disregard heedlessness inattention familiarity
