insouciant
(a.)漫不經心的
In·sou·ciant a. Careless; heedless; indifferent; unconcerned.
◄ ►
insouciant
adj : marked by blithe unconcern; "an ability to interest casual
students"; "showed a casual disregard for cold
weather"; "an utterly insouciant financial policy"; "an
elegantly insouciant manner"; "drove his car with
nonchalant abandon"; "was polite in a teasing
nonchalant manner" [syn: casual, nonchalant]