YOU SAID:

You do not understand the pain of taking an arrow to the knee

INTO JAPANESE

あなたは膝に矢を当てる痛みを理解していない

BACK INTO ENGLISH

you don't understand the pain of an arrow hitting your knee

INTO JAPANESE

膝に矢が当たる痛みを君は理解していない

BACK INTO ENGLISH

You don't understand the pain of an arrow hitting your knee

INTO JAPANESE

膝に矢が当たる痛みを君は理解していない

BACK INTO ENGLISH

You don't understand the pain of an arrow hitting your knee