Nǐ / bié / zài / bāng / wǒ / gǎi / le / yuèbāngyuèmáng / wǒ / zìjǐ / lái / ba

你别再帮我改了，越帮越忙，我自己来吧。

Stop trying to fix it for me—you are only making things worse. I will do it myself.