unkind or unpleasant behaviour or comments synonym meanness不友好的;恶意的;令人不愉快的 the sheer nastiness of their attitude 他们态度的极端恶劣
the fact of being very bad, unpleasant or dangerous 肮脏: 非常糟糕,不愉快或危险Life for many people at that time was chiefly made up of grime, dirt, disease and general nastiness. 当时许多人的生活主要由污垢、污垢、疾病和普遍的污秽组成。