en_tn/pro/23/31.md

627 B

it bites like a serpent ... it stings like an adder

The word "it" refers to "the red wine". These two phrases describe the unpleasant effects of drinking wine; it feels like the bite or sting of a dangerous snake. The comparison is repeated twice to make it emphatic. (See: rc://en/ta/man/translate/figs-parallelism and rc://en/ta/man/translate/figs-simile)

adder

a type of poisonous snake

your heart will utter perverse things

This means that the person who is drunk will say unusual and strange things because he is not able to think clearly. (See: rc://en/ta/man/translate/figs-synecdoche)