YOU SAID:

i got blood on my neck

INTO JAPANESE

首に血がついた

BACK INTO ENGLISH

I got blood around my neck.

INTO JAPANESE

首に血がついた。

BACK INTO ENGLISH

Blood on my neck.

INTO JAPANESE

首に血がつい。

BACK INTO ENGLISH

There's blood on my neck.

INTO JAPANESE

首に血がついちだ。

BACK INTO ENGLISH

I have a lot of blood around my neck.

INTO JAPANESE

首に血が多い。

BACK INTO ENGLISH

I have a lot of blood around my neck.