run down片语动词KK [rʌn daʊn] /ɹʌn daʊn/发音片语动词1撞倒、撞伤可拆开A speeding taxi ran down two pedestrians at the crossing.一辆超速的计程车在路口撞倒了两名行人。2贬低、诋毁、说坏话可拆开Stop running down your colleagues behind their backs.别再背著同事说他们的坏话了。3逐项说明、简要列举可拆开Let me run down the main points before we vote.投票之前我先把几个要点简要说明一下。4耗尽、用完、没电可拆开My phone battery ran down halfway through the flight.飞机飞到一半,我的手机电池就没电了。5追查到、找到可拆开It took weeks to run down the missing documents.花了好几个星期才追查到那些遗失的文件。6缩减、衰退、走下坡The company deliberately ran down its overseas operations.公司刻意缩减了海外的业务。形容词1破旧、失修、荒废They bought a run-down cottage near the coast and renovated it.他们在海边买下一间破旧的小屋,重新翻修。2疲惫、虚弱I've been feeling run-down since the long trip.那趟长途旅行之后,我一直觉得疲惫不堪。用这个字练口说→