I wonder how expensive it is.

我想知道那有多贵。

youdao

It looks not bad. I wonder how expensive it is.

A看起来不错。我想知道它有多贵。

youdao

I'll pay the real price no matter how expensive it is.

无论它多贵，我将付给您实际的价钱。

youdao

I think that maybe some people don't think carefully enough about how expensive it is

我觉得有些人没有考虑清楚学费到底有多贵，

拿全额奖学金 - SpeakingMax英语口语达人

And given how expensive it is, should that have been something -- is that fair criticism?

WHITEHOUSE: Press Briefing

Yet all we hear about is how expensive it is to buy one of the robot systems.

FORBES: We Probably Spend Too Little On Health Care (Unless You're Peter Orszag)

Just wait to see how expensive it is to operate a basketball team with no fan base.

FORBES: Linsanity Turns to Spinsanity: Fumbling Dolan Set to Dump Star as Angry Knicks Fans Organize Online