YOU SAID:

make your mom do a backflip 100 times and say goodbye to her knees

INTO JAPANESE

お母さんにバク転を100回させて、膝に別れを告げましょう

BACK INTO ENGLISH

Let your mom do 100 backflips and say goodbye to your knees

INTO JAPANESE

お母さんに100回のバックフリップをさせて、膝に別れを告げましょう

BACK INTO ENGLISH

Let your mom backflip 100 times and say goodbye to your knees

INTO JAPANESE

お母さんに100回バク転させて、膝に別れを告げましょう

BACK INTO ENGLISH

Let your mom backflip 100 times and say goodbye to your knees