YOU SAID:

I will eat my shorts if this thing messes up

INTO JAPANESE

この事を台無しにする場合、私は私のショーツを食べる

BACK INTO ENGLISH

If you screw this thing up, I eat my shorts

INTO JAPANESE

私は私のショーツを食べる場合はこの事を台無しにすると、

BACK INTO ENGLISH

I ruin this thing when eating my shorts,

INTO JAPANESE

私のショーツを食べるとき、私はこのことを台無しにします、

BACK INTO ENGLISH

When I eat my shorts, I will ruin this,

INTO JAPANESE

これを台無しに私のパンツを食べると

BACK INTO ENGLISH

When I eat my pants spoil this

INTO JAPANESE

ズボンを食べるとこれを台無しにする

BACK INTO ENGLISH

Eat pants and ruin this

INTO JAPANESE

ズボンを食べてこれを台無しにする

BACK INTO ENGLISH

Eat trousers and ruin it

INTO JAPANESE

ズボンを食べてそれを台無しに

BACK INTO ENGLISH

Eat trousers and mess it up

INTO JAPANESE

ズボンを食べてそれを台無しに

BACK INTO ENGLISH

Eat trousers and mess it up