backsliden.
英 'bækslaɪd | 美
中文n. 倒退\nv. 堕落（过去式backslid，过去分词backslid，现在分词backsliding，第三人称单数backslides，名词backslider）；退步；背离宗教
倒退
v. 堕落（过去式backslid，过去分词backslid，现在分词backsliding，第三人称单数backslides，名词backslider）；退步；背离宗教
词根词源
backslide (v.)in the religious sense, 1580s, from back (adj.) + slide (v.). Related: Backslider; backsliding (1550s).
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