en_tn_condensed/psa/058/008.md

Let them be like a snail that melts and passes away

No longer existing is spoken of as melting and disappearing. Alternate translation: "Let the wicked vanish like a snail that melts and no longer exists" (See: rc://en/ta/man/translate/figs-simile)

snail

small animal that the Israelites considered unclean and that looks like it is melting as it moves by sliding over slime it has produced

like the untimely-born child of a woman that never sees the sunlight

Not existing is spoken of as being like a baby that is born dead. Alternate translation: "like a baby who is born too early too live and see the sunlight" or "like a baby that was born dead" (See: rc://en/ta/man/translate/figs-simile)