en_tn/ezk/09/10.md

my eye will not pity them

The eye is a synecdoche for the person whose eye it is. Alternate translation: "I will not look on them with pity" or "I will not be pity them" (See: rc://en/ta/man/jit/figs-synecdoche)

I will bring their deeds upon their heads

To bring deeds upon someone's head means to punish them for bad conduct. Alternate translation: "I will punish them as they deserve"