The writer would like for his enemies' food to completely ruin them as if they were small animals caught in a snare or a trap. AT: "May their food ruin them like a snare ... may it destroy them like a trap" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# their table
This refers to food that was served on the tables, possibly at a feast. AT: "their own food" or "sacrificial feasts" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# Let their eyes be darkened
The writer speaks of eyes that cannot see well as if they were darkened. This can be stated in active form. AT: "Please make them unable to see anything" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-activepassive]])
# make their loins shake
Weak backs are spoken of as if they are shaking in weakness. AT: "cause their backs to be too weak for them to do anything" (See: [[rc://en/ta/man/translate/figs-metaphor]])