YOU SAID:

two frogs placed there behinds on the top of a cloud and started croaking crazily for the entertainment of a bird

INTO JAPANESE

2つのカエルは雲の上に背後に置かれ、鳥の娯楽のために夢中になった

BACK INTO ENGLISH

The two frogs were placed behind the clouds and crazy for bird's entertainment

INTO JAPANESE

2つのカエルは鳥の娯楽のために雲の後ろに置かれ、狂っていた

BACK INTO ENGLISH

The two frogs were placed behind the clouds for bird's entertainment and were crazy

INTO JAPANESE

2つのカエルは鳥の娯楽のために雲の後ろに置かれ、狂っていた

BACK INTO ENGLISH

The two frogs were placed behind the clouds for bird's entertainment and were crazy