Is that really so?

真是那样的吗？

《新英汉大辞典》

What! How can that be?; What! Is that really so?

哦！会有这样的事？

《新英汉大辞典》

Daniel: Is that really so?

丹尼尔：真的吗？

youdao

Not so hot also is a way of saying that you do not really like something.

VOA: special.2009.12.06

R/Cv OK, so that means that this is really instead of -1 R over Cv. it's really gamma minus one.

现在,变成了γ

麻省理工公开课 - 热力学与动力学课程节选

Our brain is really good at kind of absorbing music and lyrics and so if you're trying to focus on that,

我们的大脑真的很擅长于理解音乐和歌词，所以如果你试着把注意力集中到那个上面，

英语学习技巧 - SpeakingMax英语口语达人

If, in one week, refiners produce more of one product or another, is that really so important?

FORBES: Analyzing The Weekly Petroleum Status Report

Is that really so clever?

FORBES: 9:27 am SwissRe settlement by David Benoit

"I'm always worried about the sitter -- are they cold, are they hot, are they comfortable -- and photography today is so accurate and so good that it is really so much easier just to take photographs and work from that, " he said.

CNN: Duchess of Cambridge's first official portrait unveiled