The picture here is of grain falling through the sieve and stones being kept out. The idea is that Yahweh will remove all of the sinful people from Israel. (See: [[rc://en/ta/man/translate/figs-simile]])
# sieve
a surface with many small holes that allow small things to pass through and keep larger things from passing through
# All the sinners of my people will die by the sword
Here "sword" represents their enemies. AT: "Enemies will kill all the sinners of my people" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# Disaster will not overtake or meet us
Experiencing disaster is spoken of as disaster could overtake or meet someone. AT: "We will not experience disaster" or "Bad things will not happen to us" (See: [[rc://en/ta/man/translate/figs-metaphor]])