YOU SAID:
I don't know what this machine did, but it was fun!
INTO JAPANESE
私はこの機械が何をしたのかわからないが、それは楽しかった!
BACK INTO ENGLISH
I do not know what this machine did, but it was fun!
INTO JAPANESE
私はこの機械が何をしたのかわからないが、それは楽しかった!
BACK INTO ENGLISH
I do not know what this machine did, but it was fun!
You've done this before, haven't you.