YOU SAID:

My sister ate half of my leg and I was upset when she did that.

INTO JAPANESE

私の妹は私の足の半分を食べました、そして、彼女がそれをしたとき、私は動揺しました。

BACK INTO ENGLISH

My sister ate half of my legs and I was upset when she did it.

INTO JAPANESE

私の妹は私の足の半分を食べました、そして、彼女がそれをしたとき、私は動揺しました。

BACK INTO ENGLISH

My sister ate half of my legs and I was upset when she did it.