The word "that" refers to the way the Gentiles live, as described in [Ephesians 4:17-19](./17.md). This emphasizes that what the believers learned about Christ was the opposite of that. AT: "But what you learned about Christ was not like that"
Possible meanings are 1) "Jesus' people have taught you" or 2) "someone has taught you because you are Jesus' people." (See: [[rc://en/ta/man/translate/figs-activepassive]])
Paul is speaking of moral qualities as if they were pieces of clothing. AT: "to stop living according to your former manner of life" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Paul is speaking of moral qualities as if they were pieces of clothing. AT: "to stop living as your former self did" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# old man
The "old man" refers to the "old nature" or "former self."
# that is corrupt because of its deceitful desires
Paul speaks of the sinful human nature as if it were a dead body falling apart in its grave. (See: [[rc://en/ta/man/translate/figs-metaphor]])