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back down

资料来源 : pyDict

放弃,撤诉,食言,打退堂鼓

资料来源 : WordNet®

back down
     v 1: move backwards from a certain position; "The bully had to
          back down" [syn: {back up}, {back off}]
     2: remove oneself from an obligation; "He bowed out when he
        heard how much work was involved" [syn: {chicken out}, {back
        off}, {pull out}, {bow out}]
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