adj.无可非议的，无可指责的，无懈可击的

His professional ethics are irreproachable, making him a role model for others in the industry.
他的职业道德无可挑剔，成为行业内他人的楷模。
The judge's integrity and impartiality were considered absolutely irreproachable by all who knew him.
所有认识这位法官的人都认为他的正直和公正性是无懈可击的。
Her attention to detail is irreproachable; not a single error has been found in her work so far.
她对细节的关注堪称完美，迄今为止尚未在她的工作中发现任何错误。
The security system of the bank is irreproachable, ensuring the safety of customers' assets.
银行的安全系统无懈可击，确保了客户资产的安全。
The athlete's performance was irreproachable throughout the competition, earning them the gold medal.
在整个比赛过程中，该运动员的表现无可挑剔，因此获得了金牌。
The teacher's conduct both inside and outside the classroom is always irreproachable, setting a high standard for others to follow.
无论是在教室内还是教室外，这位教师的行为举止始终无可指摘，为其他人树立了高标准。
The non-profit organization's financial records are kept with an irreproachable level of transparency.
这家非营利组织的财务记录保持了一种无可挑剔的透明度。
The company's customer service policy is irreproachable; they always go above and beyond to meet their clients' needs.
该公司的客户服务政策无可挑剔，他们总是竭尽全力满足客户需求。
The research methodology used in this study is irreproachable, which greatly enhances its credibility.
本研究中采用的研究方法严谨可靠，大大增强了其可信度。
The antique collector's knowledge and expertise in his field are absolutely irreproachable, as he can authenticate any artifact within seconds.
这位古董收藏家在其领域的知识和专业技能是绝对无可挑剔的，他能在几秒钟内鉴定出任何艺术品。