squeaky clean
完全没有缺点或不道德行为的
口语·形容人或事物
英文释义
very clean or pure; without any flaws or imperfections
例句
His reputation is squeaky clean—no scandals or mistakes at all.
典故来源
源自清洁比喻，像新玩具一样吱吱作响且无污渍，引申为完美无瑕。