(TTS發音) 1. （of watch or clock）slow down or stop（鐘表）走慢或不走
The kitchen clock ran down because we forgot to wind it. 廚房裡的鐘停了，因為我們忘了上發條。
2. speak ill of；criticize unkindly貶低；不客氣地批評
She is jealous of your success；that's why she's always running you down. 她嫉妒你的成功，這就是她總是講你壞話的原因。
He will flatter a person to his face， and then run him down behind his back. 他會當面吹捧一個人，而在背後卻造謠中傷。
That man doesn't like me ；he's always running me down. 那人不喜歡我，他總是誹謗我。
3. chase and catch 追捕
The police were able to run the jewel thieves down after a long search. 警察經過長時間搜查，終于抓獲了盜竊珠寶的小偷。
After hunting for him for over a week，the police ran the escaped prisoner down in a public house. 在追捕了一個多星期後，警察終于在一家酒店裡捉住了逃犯。
4. knock down and hurt撞傷
The poor boy has been run down by a bus. 這個可憐的男孩子被汽車撞傷了。
She was afraid she would run someone down while driving. 她害怕在開車時撞傷人。
5. ill；in poor health or condition 體力衰弱；身體垮掉
Father caught a cold because he was run down from loss of sleep. 父親由于缺乏睡眠，體力衰弱而感冒了。
The old worker was run down after all those years of hard work. 這位老工人因多年辛勤勞動而身體垮下來了。
His health ran down to a dangerous level. 他的健康狀況已惡化到危險的程度。
6. find by hard and thorough search； trace the source of追根究底；探出…的根源
The policeman ran down proof that the burglar had robbed the store. 警察追查小偷搶店鋪的證據。
He had quite a time running down the technical words. 他為查出這些術語的來源花了相當多的時間。
7. （cause to） diminish in number，quantity，size，etc. 減少；縮小；降低
The coal industry is running down as coal deposits are used up. 由于煤藏枯竭，煤炭工業正在衰落。
The farm labor force in this country is running down steadily. 這個國家的農業勞動力正持續減少。
8. slowly bring to a halt使慢慢地停止
The management are running this factory down. 管理部門正在慢慢使這個工廠停產。
run errands act as an errandboy；go to a store to buy things for sb. 跑腿；為別人辦事；買東西
I have no time to run errands for you. 我沒時間替你跑腿。Rufus runs errands for all the neighbours. 魯福斯為所有的鄰居跑腿買東西。
