YOU SAID:
When will it mess up?
INTO JAPANESE
ときそれを汚くでしょうか。
BACK INTO ENGLISH
When messing with it?.
INTO JAPANESE
それを乱すとき?
BACK INTO ENGLISH
When disturbing it?
INTO JAPANESE
それを妨害するとき?
BACK INTO ENGLISH
When disturbing it?
You've done this before, haven't you.