YOU SAID:
A rubics cube is so hard
INTO JAPANESE
Rubics キューブは、一生懸命
BACK INTO ENGLISH
Rubics cube is hard
INTO JAPANESE
Rubics キューブは難しい
BACK INTO ENGLISH
Hard rubics cube
INTO JAPANESE
ハード rubics キューブ
BACK INTO ENGLISH
Hard rubics cube
You've done this before, haven't you.