YOU SAID:

I will make you fall down the stairs

INTO JAPANESE

階段から落ちさせてやる

BACK INTO ENGLISH

I'll let you fall down the stairs.

INTO JAPANESE

階段から落としてやる

BACK INTO ENGLISH

I'll drop you down the stairs.

INTO JAPANESE

階段を降ろしてやる

BACK INTO ENGLISH

I'll bring you down the stairs.

INTO JAPANESE

階段を降りてくる

BACK INTO ENGLISH

I'm going down the stairs.

INTO JAPANESE

階段を降りるわ

BACK INTO ENGLISH

I'm going down the stairs.