helen: this is real english from bbc learning english. i'm helen.
chen li: 我是陈藜. 在 real english 节目里，我们要学习新词语，短语和表达，那么我们今天要学的词是？

helen: today's new word is 'crash' ╟ c.r.a.s.h. ╟ crash.

chen li: crash. 我知道这个词，意思是有事故发生，比如汽车冲撞，这个词可不那么幸运。

helen: you are half right, crash is also often used in business, and it means to lose value or fail suddenly and quickly.

chen li: 我明白了，这个词也可以说在短时间内失去价值或资金，那么怎么使用这个词呢？

helen: well, it's a verb.

chen li: 这是一个动词

helen: and a noun.

chen li: 也可以作为名词。

helen: so you could say everyone lost a lot of money when the gold markets crashed in 1987.

chen li: 在这里 crash 是一个动词。

helen: or as a noun i could say 'there was a big crash on the stock market today'.

chen li: 在这里 crash 又作为了一个名词。

helen: in both sentences, a lot of money was lost quickly and suddenly.

insert

a: i hear bill had to sell his sports car.

b: yes. he had all his money in coffee. the market crashed and he lost almost everything.

helen: the stock market crashed in 2002 when the technology bubble burst.

chen li: 我记得，当科技泡沫破灭，股市也很快下跌。

helen: that's why i never gamble on the stock market.

chen li: well, good for you. 今天我们体验了崩溃的意味，可以用作动词，和名词，在商业中，他指突然失去价值或者价格。