worthwhileadj.值得(做)的
worthn.价值;财富adj.值得的;值钱的
worthless lot无价值的一批
worthless test毫无价值的试验
worthless action无用的行动
worthless victim无价值被害人
worthless gangue废石,无价脉石
worthless venture无价值的冒险
worthless character品行不端的人
worthless old rubbish没用的破烂货
Worthless rate of blood血液报废率
worthless member of society社会的败类