YOU SAID:
I wonder how long it'll take to turn this thing around
INTO JAPANESE
私はこのことを好転させるのにどのくらい時間がかかるのだろうか
BACK INTO ENGLISH
How long does it take for me to turn around this
INTO JAPANESE
私がこれを好転させるのにどれくらい時間がかかりますか
BACK INTO ENGLISH
How long does it take for me to turn around this
You've done this before, haven't you.