YOU SAID:
I wanted to saw off his face to keep his mustache intact
INTO JAPANESE
彼の口ひげをそのまま保つために彼の顔を見たかった
BACK INTO ENGLISH
To keep his moustache still wanted to see his face.
INTO JAPANESE
まだ彼の口ひげを保つために彼の顔を見てみたかった。
BACK INTO ENGLISH
To keep his moustache still wanted to see his face.
That didn't even make that much sense in English.