powerlessWiktionary 原文中文来自 ECDICTadj.无力的，无权的，无效能的构词拆分power词根/词干+-less后缀Lacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.演变路径（由近及远）英语继承自 ←中古英语 pouerles词源说明From Middle English pouerles, powerles, equivalent to power + -less.释义（英文）形容词 AdjectiveLacking sufficient power or strength.Lacking legal authority.Without electricity or electrical power.词族派生词（3）powerlesslypowerlessnesssuperpowerless