“不是谁的谁，知识我自己。不被看好更加要做到”英语怎么表达？

there's none of anyone's business, just me! even the condition is bad but I must conquer it and show my pride!

很骄傲很奋斗的感觉! 哈哈! 这是我从你中文中读出的,很好,很积极!