YOU SAID:

Yesterday I went to the park and I saw this huge dog! It was the size of a building!

INTO JAPANESE

昨日公園に行ったら、この大きな犬を見ました！建物くらいの大きさでした！

BACK INTO ENGLISH

I went to the park yesterday and saw this big dog! It was as big as a building!

INTO JAPANESE

昨日公園に行ったら、この大きな犬を見ました！まるでビルみたいな大きさでした！

BACK INTO ENGLISH

I went to the park yesterday and saw this big dog! It was as big as a building!