run down

phr

• ① 跑下来;流下来

• ② (钟表等因发条松懈而)停止;(电池等)耗尽
  • My watch has run down.我的手表停了。

• ③ (开汽车从都市)到乡下访问;下乡

• ④ 追赶(人或动物);打猎;追捕;搜出;【棒球】夹杀(跑垒者)
  • The police ran down the criminal at last.警察终于追捕到那名罪犯。
  • He managed to run down the lost papers.他设法寻回遗失的文档。

• ⑤ (汽车)撞倒(人等);撞沉(船只)
  • The careless driver ran down a pedestrian.那名粗心的驾驶人撞倒了一名行人。

• ⑥ 降低(…的价值);减低(…的效率等)
  • We must run down production.我们必须减低生产。

• ⑦ 使(人)衰弱;使(健康)衰退(★通常用被动式;→run-down)
  • You appear to be much run down today.你今天显得非常疲惫。

• ⑧ 【口】诋毁,诽谤
  • He was always running down his English teacher.他经常讲他英文老师的坏话。