A wineskin is ruined when it hangs for a long time in a smoke-filled place. The writer compares himself to a wineskin that has been ruined by smoke to emphasize that he feels useless. (See: [[rc://en/ta/man/translate/figs-simile]])
The writer uses a question to request God to punish those who persecute him. This rhetorical question can be translated as a statement. AT: "Please do not make wait any longer. Punish those who persecute me." (See: [[rc://en/ta/man/translate/figs-rquestion]])