en_tn/rom/06/21.md

At that time, what fruit then did you have of the things of which you are now ashamed?

"Fruit" here is a metaphor for "result" or "outcome." Paul is using a question to emphasize that sinning results in nothing good. Alternate translation: "Nothing good came from those things that now cause you shame." or "You gained nothing by doing those things that now cause you shame." (See: rc://en/ta/man/jit/figs-rquestion)