YOU SAID:

I would let you put a knife up to my throat and push really hard

INTO JAPANESE

私の喉にナイフを突っ込ませて

BACK INTO ENGLISH

Let me put a knife in my throat.

INTO JAPANESE

ナイフを喉に突っ込ませてくれ。

BACK INTO ENGLISH

Let me stick a knife in your throat.

INTO JAPANESE

ナイフを喉に突っ込ませて

BACK INTO ENGLISH

Put a knife in your throat.

INTO JAPANESE

ナイフを喉に突き刺す。

BACK INTO ENGLISH

I pierced the knife into my throat.

INTO JAPANESE

私はナイフを喉に突き刺した。

BACK INTO ENGLISH

I pierced the knife into my throat.