| 单词 | undo |
| 例句 | undo verb 1.•he undid another button:unfasten, unbutton, unhook, untie, unlace | unlock, unbolt | loosen, disentangle, extricate, release, detach, free, open | disconnect, disengage, separate. ANT fasten. 2.•they will undo a decision by the superior court:revoke, overrule, overturn, repeal, rescind, reverse, retract, countermand, cancel, annul, nullify, invalidate, void, negate | Law vacate | formal abrogate. ANT ratify. 3.•she undid much of the good work done:ruin, undermine, subvert, overturn, scotch, sabotage, spoil, impair, mar, destroy, wreck, eradicate, obliterate | cancel out, neutralize, thwart, foil, frustrate, hamper, hinder, obstruct | informal blow, put the kibosh on, foul up, scuttle. ANT enhance. |
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