Writing materials were really expensive and few people learned to read.

书写材料非常昂贵，并且很少有人识字。

youdao

My goodness, it's really expensive.

好家伙，这真贵呀！

《新英汉大辞典》

Some environmentally-friendly cars are really expensive.

一些环保汽车十分贵。

youdao

I'm going to come back to that in a second with that, but I need to do one more example, and I've got to use my high-tech really expensive props. Right. So here's the fourth or fifth whatever we're up to, I guess fifth example.

并且我会用到我的,高科技的昂贵小道具，好，这是第四个还是第五个了？,好，我猜是第五个例子了,这是个被称为汉诺塔的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

because my instrument... I don't actually own an instrument, because it's really expensive.

因为我的乐器……其实我没有自己的乐器，因为真的很贵。

乐团怎么样？ - SpeakingMax英语口语达人

So the choice is are you gonna ruin the really expensive pair of shoes or are you gonna to leave the child to drown?

所以你面临着选择：,要么毁了这双昂贵的鞋,要么看着小孩淹死？

普林斯顿公开课 - 人性课程节选

Other commodities like gold, silver, copper, nickel, all are in high demand, and therefore really expensive.

NPR: Marketplace Report: China's Growth and Oil Prices

Give them three different bottles of Yellowtail and then pretend that one is really expensive.

FORBES: In Defense of Cheap Wine

"There're some really bright people in the world with some really expensive hardware, " he said.

BBC: NEWS | Technology | Microsoft aims for hack-proof 360