YOU SAID:

Inside a dog, it's too dark to read.

INTO JAPANESE

犬の内側を読むには暗すぎるです。

BACK INTO ENGLISH

Too dark to read the inside of dog it is.

INTO JAPANESE

それは犬の内側を読むには暗すぎます。

BACK INTO ENGLISH

It's too dark to read the dog inside.

INTO JAPANESE

それは中犬を読むには暗すぎます。

BACK INTO ENGLISH

It's too dark to read in the dog.

INTO JAPANESE

それは犬で読むには暗すぎます。

BACK INTO ENGLISH

It's too dark to read in the dog.