YOU SAID:

There is a dart piercing my head

INTO JAPANESE

私の頭を突き刺すダーツがある

BACK INTO ENGLISH

There's a dart that sticks my head in.

INTO JAPANESE

頭を突っ込むダーツがあります。

BACK INTO ENGLISH

There are darts that stick your head in.

INTO JAPANESE

頭を突き刺すダーツがあります。

BACK INTO ENGLISH

There are darts that pierce the head.

INTO JAPANESE

頭を突き刺すダーツがあります。

BACK INTO ENGLISH

There are darts that pierce the head.