YOU SAID:

please drown your goldfish in your armpits

INTO JAPANESE

わきの下で金魚を溺れさせてください

BACK INTO ENGLISH

Let the goldfish drown under the armpit

INTO JAPANESE

金魚を脇の下に溺れさせる

BACK INTO ENGLISH

Drown the goldfish under the armpit

INTO JAPANESE

脇の下の下で金魚を溺れさせる

BACK INTO ENGLISH

Drown the goldfish under the armpit