spotless
adj
1 very clean and tidy 极清洁的
He keeps his house spotless. 他把家里收拾得很整洁.
2 (fig fml 比喻, 文) free from flaws; morally pure 无瑕疵的; 道德上纯洁的
a spotless reputation 清白的名声.
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.