YOU SAID:

The chicken is walking with his head upside down and underneath.

INTO JAPANESE

鶏は、彼の頭の上下上下の下と歩いています。

BACK INTO ENGLISH

Chicken is walking with his head up and down up and down under.

INTO JAPANESE

鶏は彼の頭を上下に、上下の下を歩きます。

BACK INTO ENGLISH

Chicken walk down up and down up and down his head.

INTO JAPANESE

彼の頭を上下上下を鶏に歩いて。

BACK INTO ENGLISH

Chickens walking up and down up and down his head.

INTO JAPANESE

鶏は頭を上下に行ったり来たり。

BACK INTO ENGLISH

Chicken head up and down, back and forth.

INTO JAPANESE

鶏の頭を上下、前後。

BACK INTO ENGLISH

Chicken head up and down, back and forth.