YOU SAID:
He stared at me with daggers in his eyes.
INTO JAPANESE
彼は私の目を食いしばった。
BACK INTO ENGLISH
He made a bite of my eyes.
INTO JAPANESE
彼は私の目を噛んだ。
BACK INTO ENGLISH
He chewed my eyes.
INTO JAPANESE
彼は私の目を噛んだ。
BACK INTO ENGLISH
He chewed my eyes.
That didn't even make that much sense in English.