YOU SAID:

i am under the water please help me.

INTO JAPANESE

私は水の下にいます、助けてください。

BACK INTO ENGLISH

I'm under the water, help me.

INTO JAPANESE

水面下だ助けてくれ

BACK INTO ENGLISH

Underwater. Help me.

INTO JAPANESE

水中だ助けてくれ

BACK INTO ENGLISH

Underwater. Help me.