to run down
01
耗尽, 使筋疲力尽
to use up all of one's energy, especially to the point of stopping or ceasing to function
Transitive: to run down sb
语法信息
形态构成
短语
状态动词
规则
可分离
小品词
down
基本动词
run
现在时
run down
第三人称单数
runs down
现在分词
running down
一般过去时
ran down
过去分词
run down
例子
Continuous stress can run you down and lead to health problems.
持续的压力会让你筋疲力尽并导致健康问题。
02
撞倒, 碾压
to injure or kill by knocking someone or something down and passing over their body, as with a vehicle
Transitive: to run down sb/sth
例子
The reckless driver nearly ran the pedestrian down at the crosswalk.
鲁莽的司机差点在人行横道上撞倒行人。
03
贬低, 批评
to speak negatively about someone or something in a way that makes them seem inferior or weak
Transitive: to run down sb/sth
例子
She ran down the new policy, questioning its effectiveness during the meeting.
她在会议上贬低了新政策，质疑其有效性。
04
调查细节, 追踪线索
to investigate the details or origins of something
Transitive: to run down details of something
例子
The detective needed to run down the leads to solve the case.
侦探需要调查线索以破案。
05
快速浏览, 粗略评估
to quickly assess something with little time or attention
Transitive: to run down sth
例子
She ran down the list of items before leaving the house.
她在离开房子之前浏览了物品清单。
06
追赶, 追捕
to chase with the intention of capturing or apprehending
Transitive: to run down sb
例子
The police officer ran down the suspect through the crowded streets.
警察追捕嫌疑犯穿过拥挤的街道。
07
耗尽, 减少
to reduce the quantity or resources of something
Transitive: to run down a resource or its quality
例子
The constant use of the equipment ran down its efficiency over time.
设备的持续使用随着时间的推移降低了其效率。
08
耗尽, 放电
to operate a machine or device until it stops working because of a lack of power or energy
Transitive: to run down a machine or device
例子
He ran down the battery of his smartphone by constantly using it without recharging.
他通过不断使用而不充电耗尽了智能手机的电池。
run down
01
筋疲力尽的, 疲惫不堪的
being in a state of low energy or reduced strength, often caused by prolonged effort or illness
语法信息
形态构成
复合词
性质形容词
最高级
most run down
比较级
more run down
可分级
例子
After working twelve hours straight, she felt completely run down.
连续工作十二个小时后，她感到完全筋疲力尽。
