ride down的意思是“（乘骑马匹）骑马下山；乘电梯下降；贬损；轻视”，音标为[raɪ dʌn]。

ride down有以下几种意思、释义和用法：

乘坐电梯或扶梯下降。例句：The escalator or elevator ride down was smooth.

压制，镇压。例句：The government rode down any sign of discontent.

暴跌，暴跌到。例句：The stock market has been riding down since the beginning of the year.

双语翻译如下：

The stock market has been riding high lately, but now it's starting to ride down.

最近股市一直涨涨涨，但现在开始下跌了。

The police rode down a car that was speeding.

警察把一辆超速行驶的车子给拦了下来。

总的来说，ride down是一个常用的短语，表示“乘坐电梯或扶梯下降”，同时也可以表示“压制，镇压”和“暴跌”的意思。不过具体意思需要根据上下文来判断。

ride down的意思是“（乘骑马匹）疾驰而下；乘电梯下降；贬损；轻视；使降低到低水平；使贬值；使贬值到最低限度”，以下是ride down的释义、用法及双语翻译，以及常见短语：

释义：

1. 乘电梯下降

2. 贬损；轻视

用法：

1. 乘坐电梯下降，通常指电梯下降的速度非常快。

2. 贬低或轻视某物或某人。

双语翻译：

1. She rode down the escalator to the subway platform. 她乘坐电梯下到地铁站台。

2. His comments were quickly ridiculed and rode down by political opponents. 他的言论很快被政敌讥笑和贬损。

常见短语：

1. ride down the line：贬低或轻视某人或某事，使其处于低水平。

2. ride down the stock market：使股票市场贬值或贬值到最低限度。

3. ride down one's reputation：贬低或轻视某人的名誉。

4. ride down one's credit：使信用贬值或贬值到最低限度。

5. ride down one's value：使价值贬值或贬值到最低限度。

6. ride down the value of one's property：使财产价值贬值或贬值到最低限度。

7. ride down prices：使物价降低到低水平。

8. ride down the cost of living：使生活成本降低到低水平。

9. ride down wages：降低工资水平。

10. ride down the cost of wages：降低工资成本。