non·cha·lant /-ˈlɑnt, ˌlɑnt, lənt/
(a.)漠不關心的,無動於衷的,若無其事的
Non·cha·lant a. Indifferent; careless; cool.
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nonchalant
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, insouciant]