YOU SAID:
mary had a little bird in the aquarium
INTO JAPANESE
メアリーは水族館に小鳥を飼っていた
BACK INTO ENGLISH
Mary had a small bird in the aquarium
INTO JAPANESE
メアリーは水族館に小鳥を飼っていた
BACK INTO ENGLISH
Mary had a small bird in the aquarium
That didn't even make that much sense in English.