無神經,平靜,泰然自若
Impassivity \Im`pas*siv"i*ty\, n. The quality of being insusceptible of feeling, pain, or suffering; impassiveness.
impassivity n : apathy demonstrated by an absence of emotional reactions [syn: {emotionlessness}, {impassiveness}, {phlegm}, {indifference}, {stolidity}, {unemotionality}]