Some Arrows slay but whom they strike — Cupid

Some Arrows slay but whom they strike-
But this slew all but him-
Who so appareled his Escape-
Too trackless for a Tomb-
(F.1666/J.1565)
[1] Some Arrows, strike:: common arrows that kill.
[2] this:: the Cupid's arrow. all but him:: a man who can escape Cupid's arrow (a dead man).
[3] so appareled:: furnished with extreme effort.
[4] Too trackless:: lifeless to be tracked. Tomb:: only a dead man in tomb can escape Cupid's arrow.