求翻译：delta，当时觉得自己提高了，但后来，一上电脑用tpo。就真的觉得顿时打回原形了，别提多沮丧了。。tpo，上电脑练习，才是王道！！是什么意思？

Delta, then felt that he had to improve, but then, a computer is used on TPO. Really think the immediately hit back by prototype, let alone how frustrating has ... TPO, computer exercises, is King!!