adj.无价值的；无用的；可鄙的
The worthless books in a library should be weeded out. 应该清除图书馆里无价值的图书。
Those financiers made spoil of widows'money by selling them worthless shares. 那些金融家把无价值的股票卖给寡妇们以掠夺她们的钱财。
The old man was cursed with a worthless son. 老人因无用的儿子而感到痛苦。
