YOU SAID:
I wonder what the most expensive whiskey in the world is.
INTO JAPANESE
世界で最も高価なウイスキーがあるのだろうか。
BACK INTO ENGLISH
I wonder if there is whiskey in the world most expensive.
INTO JAPANESE
かどうかにはウィスキーの世界で最も高価なのだろうか。
You've done this before, haven't you.