YOU SAID:
Don't drop he glass vase.
INTO JAPANESE
彼はガラスの花瓶を落とさないでください。
BACK INTO ENGLISH
Please do not drop the glass vase.
INTO JAPANESE
ガラスの花瓶を削除しないでください。
BACK INTO ENGLISH
Do not delete the glass vase.
INTO JAPANESE
ガラスの花瓶を削除しないでください。
BACK INTO ENGLISH
Do not delete the glass vase.
That didn't even make that much sense in English.