YOU SAID:
Where did I leave my hedgehog
INTO JAPANESE
ハリネズミをどこに置き忘れましたか
BACK INTO ENGLISH
where did you leave the hedgehog
INTO JAPANESE
ハリネズミをどこに置き去りにしましたか
BACK INTO ENGLISH
where did you leave the hedgehog
That didn't even make that much sense in English.