# I might be grieved by many of those who have sinned before now

"I will be grieved because many of them have not given up their old sins"

# did not repent of the impurity and sexual immorality and lustful indulgence

Possible meanings are 1) Paul is saying almost the same thing three times for emphasis. AT: "did not stop commiting the sexual sins that they practiced" or 2) Paul is speaking of three different sins. (See: [[rc://en/ta/man/translate/figs-parallelism]])

# of the impurity

The abstract noun impurity can be translated as "things that do not please God." AT: "of secretly thinking about and desiring things that do not please God" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])

# of the ... sexual immorality

The abstract noun "immorality" can be translated as "immoral deeds." AT: "of doing sexually immoral deeds" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])

# of the ... lustful indulgence

The abstract noun "indulgence" can be translated using a verb phrase. AT: "of ... doing things that satisfy immoral sexual desire" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])