Just as animals cannot reason, these men cannot be reasoned with. AT: "these false teachers who are like mindless animals" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Peter speaks of the punishment that the false teachers will receive as if it were a reward. AT: "They will receive what they deserve for their wrongdoing" (See: [[rc://en/ta/man/translate/figs-irony]])
Here the word "luxury" refers to immoral activity that includes gluttony, drunkenness, and sexual activity. Doing these things during the day indicates that these people are not ashamed of this behavior.
The words "stains" and "blemishes" share similar meanings. Peter speaks of the false teachers as if they were stains on a garment that cause shame for those who wear it. AT: "They are like stains and blemishes on clothes, which cause disgrace" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-doublet]])
To have their "eyes full" means that they are obsessed with what they see. Possible meanings are 1) "They think of every woman whom they see as adulterous and want to sleep with her" or 2) "They are always looking for an adulterous woman to sleep with." (See: [[rc://en/ta/man/translate/figs-metonymy]])
# they are never satisfied with sin
Although they sin in order to satisfy their lusts, the sin that they commit never satisfies.
# They entice unstable souls
Here the word "souls" refers to persons. AT: "They entice unstable people" (See: [[rc://en/ta/man/translate/figs-synecdoche]])
# hearts trained in covetousness
Here the word "hearts" refers to the thoughts and emotions of the person. Because of their habitual actions, they have trained themselves to think and act out of covetousness. (See: [[rc://en/ta/man/translate/figs-metonymy]])
# children of a curse
The word "children" refers to those who have been cursed. AT: "they are people who are under God's curse" (See: [[rc://en/ta/man/translate/figs-metaphor]])