unblemished

1. ADJ If you describe something such as someone's record, reputation, or character as unblemished, you mean it has not been harmed or spoiled. 清白的[usu ADJ n]

...Lee's unblemished reputation as a man of honour and principle. … 李作为一个正直有原则的男人清白的名声。

2. ADJ If you describe something as unblemished, you mean that it has no marks or holes on its surface. 无污迹的; 无洞的[usu ADJ n]

Be sure to select firm, unblemished fruit. 确保选择结实无虫洞的水果。