資料來源 : pyDict

不用心;愚蠢

資料來源 : WordNet®

mindlessness
     n 1: total lack of meaning or ideas [syn: {inanity}, {senselessness},
           {vacuity}, {pointlessness}]
     2: the trait of acting rashly and without prudence [syn: {heedlessness},
         {rashness}]