YOU SAID:

The duck goes quack quack into your back

INTO JAPANESE

アヒルの背中にいんちきいんちきを行く

BACK INTO ENGLISH

On the back of the duck quack quack goes

INTO JAPANESE

いんちきいんちきが行く鴨の背中に

BACK INTO ENGLISH

Quack duck goes quack back

INTO JAPANESE

戻っていんちきいんちきカモになります。

BACK INTO ENGLISH

Returned is quack quack duck.

INTO JAPANESE

いんちきいんちきカモは、返されます。

BACK INTO ENGLISH

Returned is quack quack duck.