This humble request is stated with two negatives to emphasize the need for a positive action. Alternate translation: "Please come and use your strength to protect us" (See: [[rc://en/ta/man/translate/figs-litotes]])
The word "hands" here refers to the people of Israel's strength. Alternate translation: "your strength" (See: [[rc://en/ta/man/translate/figs-metonymy]])