-

(Note: Since the input is a single dash character, I'm returning the same character as the translation.)-

(Note: Since there's no text to translate, I'm returning the original input)-

(Note: Since there is no text to translate, I'm returning a single dash as per your request.)-

(Note: Since there's no actual text to translate, I'm returning the original symbol -)-

(Note: Since there's no text to translate, I'm returning the original symbol.)-

(Note: Since the input is a single hyphen, I'm returning the same character as the translation.)-

(Note: Since the input is a single dash (-), I'm returning the same character as there's no translation needed.)