Down可指由高处到低处的运动

P: n + v + down + n

The rocks rolled down the mountain.

石头从山上滚了下来。

典型动词：come, fall, go, move, roll, run, slide, walk

Down 可指“沿着”，按照“某种方式”

P: n + v + down + n

The old man went down the road on foot.

那个老男人沿街步行。

典型动词：come, drive, go, move, run, skate, walk

P: n + v + n + down + n

The boys rode their bikes down the street this morning.

今天早晨，男孩们沿着街骑车。

典型动词：bring, carry, drive, move, pull, push, ride, take

Down后面的典型名词：freeway, highway, path, road, sidewalk, street, turnpike

Down 可指毁灭

P: n + v + down + n

The intruder broke down the door.

闯入者弄坏了门。

典型动词：blow, break, bring, burn, cut, strike, take

P: v + n + down

The intruder broke the door down.

闯入者弄坏了门。

相关词组：

upside down——倒转

The cups go in the dishwasher upside down.

把咖啡杯倒着放进洗碗机里。

相关动词词组：

back down (不及物)——撤退，离开

The dog backed down when I called his name.

当我叫那条狗的名字的时候，它离开了。

calm down (可分)——平静，冷静

We had to calm the children down after the excitement.

兴奋过后，我们必须让孩子冷静下来。

close down (可分)——停业、歇业

We close the shop down at four o'clock every day.

我们每天四点停止营业。

They plan to close that business down for good.

他们不想再做生意了。

come down with (不可分)——生病

She missed the picnic because she came down with the flu.

她没去野餐，因为她得流感了。

crack down on (不可分)——镇压、打击

The police are cracking down on street violence.

警察正在镇压街头暴力。

let down (可分)——失望

She let me down when she didn't help me with my party.

他没帮我搞派对，我很失望。

look down on (不可分)——看不起，轻视

The older students tend to look down on the younger ones.

老学生看不清新学生。

mark down (可分)——降价

I bought this shirt after they marked it down to ten dollars.

我在店家把价格降到十元时买了件衬衫。

put down (可分)——辱骂

She shouldn't go out with him; he puts her down all the time.

她不应该和他出去；她一直在辱骂她。

run down (可分)——批评

She always runs her hometown down.

她总是说自己家乡的坏话。

shut down (可分)——关掉电脑，停止经营生意

She worked all night and didn't shut her computer down until morning.

她通宵工作，到早晨才关掉电脑。

They shut that shop down two years ago.

她两年没开店了。

turn down (可分)——拒绝

He got a job offer today but he is going to turn it down.

他今天找到一份工作，但准备拒绝。

write down (可分)——写下，记下

She didn't know my phone number, so I wrote it down for her.

她不知道我的电话号码，所有我写给了她。