漫不經心,不關心,冷淡
Unconcern \Un`con*cern"\, n. Want of concern; absence of anxiety; freedom from solicitude; indifference. A listless unconcern, Cold, and averting from our neighbor's good. --Thomson.
unconcern n 1: the trait of remaining calm and seeming not to care; a casual lack of concern [syn: {nonchalance}, {indifference}] 2: a feeling of lack of concern [ant: {concern}]