倒退

go backwards; fall back; back off from;backslide;backpedal;retreat from;go back on one’s words
～是没有出路的。Retrogression is no way out;Retrogression leads nowhere./关系～relations slide back (or worsen)/立场～ back off from one’s previous commitments regarding…；retreat from its pledge on…/历史大～ a great historical retrogression