YOU SAID:
i broke my leg when i fell down the stairs
INTO JAPANESE
私は階段を降りたときに私の足を壊した
BACK INTO ENGLISH
I broke my leg when I got off the stairs
INTO JAPANESE
私は階段を降りたときに私の足を壊した
BACK INTO ENGLISH
I broke my leg when I got off the stairs
That didn't even make that much sense in English.