step down 1. 走下来 He stepped down from the train onto the platform. 他走下火车踏上月台。 2. 辞职，让位，下台 He will formally step down at the party's annual conference in October. 他将在10月召开的党的年会上正式辞职。 step down from the top office 辞去最高职务 3. 逐步减低，减少，减慢 step down government spending 削减政府开支 4. (用变压器)减低(电流)的电压