stainless
/ˈsteɪnlɪs/adjective
1- unmarked by or resistant to stains or discoloration无污点的。
1.1
- figurative (of a person or their reputation) free from wrongdoing or disgrace〈喻〉（人, 名声）纯洁的, 无瑕的：
her supposedly stainless past.
她那据称是无瑕的历史。