YOU SAID:

my foot is too big to fit in my mouth

INTO JAPANESE

私の足は私の口に収まるように大きすぎます。

BACK INTO ENGLISH

My legs to fit in my mouth too.

INTO JAPANESE

あまりにも私の口に合わせて私の足。

BACK INTO ENGLISH

Too fit into my mouth on my feet.

INTO JAPANESE

あまりにも私の足に自分の口に合います。

BACK INTO ENGLISH

Too fit into my mouth on my feet.