YOU SAID:
the dog has lots of trains
INTO JAPANESE
犬にはたくさんの電車があります
BACK INTO ENGLISH
There are many trains for dogs
INTO JAPANESE
犬用の電車はたくさんあります
BACK INTO ENGLISH
There are a lot of trains for dogs
INTO JAPANESE
犬用の電車はたくさんあります
BACK INTO ENGLISH
There are a lot of trains for dogs
That didn't even make that much sense in English.