英文词源
- ruthless (adj.)
- early 14c., from reuthe "pity, compassion" (see ruth) + -less. Ruthful (early 13c.) has fallen from use since late 17c. except as a deliberate archaism. Related: Ruthlessly; ruthlessness.
中文词源
ruth,怜悯，悲哀，-less,无，没有。
该词的英语词源请访问趣词词源英文版：ruthless 词源，ruthless 含义。
ruth,怜悯，悲哀，-less,无，没有。
