YOU SAID:

My dog went into my cats hiding place and ate his food

INTO JAPANESE

私の犬は私の猫の隠れ場所に入り、彼の食べ物を食べた

BACK INTO ENGLISH

My dog entered my cat's hiding place and ate his food.

INTO JAPANESE

私の犬は私の猫の隠れ家に入り、彼の食べ物を食べに行きました。

BACK INTO ENGLISH

My dog went into my cat's hideout and went to eat his food.

INTO JAPANESE

私の犬は私の猫の隠れ家に入り、彼の食べ物を食べに行きました。

BACK INTO ENGLISH

My dog went into my cat's hideout and went to eat his food.