YOU SAID:
She rode her bike down the street and saw a dog.
INTO JAPANESE
彼女は自転車で通りを下り、犬を見ました。
BACK INTO ENGLISH
She cycled down the street and saw the dog.
INTO JAPANESE
彼女は通りをサイクリングし、犬を見ました。
BACK INTO ENGLISH
She cycled down the street and saw the dog.
That didn't even make that much sense in English.