YOU SAID:
Don’t get your nickers in a knot
INTO JAPANESE
あなたのニッカーを結び目に入れないでください
BACK INTO ENGLISH
Please do not tie your knicker into a knot
INTO JAPANESE
あなたのパンティーを結ばないでください
BACK INTO ENGLISH
Please do not tie your panties
INTO JAPANESE
あなたのパンティを結び付けないでください
BACK INTO ENGLISH
Please do not bind your panties
INTO JAPANESE
あなたのパンティーを縛らないでください
BACK INTO ENGLISH
Please do not bind your panties
That didn't even make that much sense in English.