The writer uses a question to emphasize his request to God to make the people of Israel prosper and happy again. This rhetorical question can be translated as a statement. AT: "Please make us prosper again." (See: [[rc://en/ta/man/translate/figs-rquestion]])
The abstract noun "faithfulness" can be stated as an adjective. AT: "Show us that you are faithful to your covenant" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
The word "by" can be added to indicate this is how the writer wants God to show his faithfulness to his people. The abstract noun "salvation" can be stated as a verb. AT: "by saving us" (See: [[rc://en/ta/man/translate/writing-connectingwords]] and [[rc://en/ta/man/translate/figs-abstractnouns]])