YOU SAID:

Then I took an arrow to the knee

INTO JAPANESE

膝に矢を取ったし、

BACK INTO ENGLISH

Took the arrow on the knees, and

INTO JAPANESE

膝の上の矢印を取ったと

BACK INTO ENGLISH

And took a knee on the arrow

INTO JAPANESE

膝に乗って矢印と

BACK INTO ENGLISH

On my lap and the arrow

INTO JAPANESE

私の膝と矢印

BACK INTO ENGLISH

My knees and arrow

INTO JAPANESE

膝を曲げて、矢印

BACK INTO ENGLISH

Knees bent, arrow

INTO JAPANESE

膝を曲げて、矢印

BACK INTO ENGLISH

Knees bent, arrow