adj.(道德上)无可辩解的，不能原谅的，无法防守的

The argument for the policy is so weak that it's simply indefensible.
这个政策的论点如此薄弱，根本无法辩护。
His actions were so reprehensible that no one could find an excuse to defend them.
他的行为恶劣到无法为之辩解。
The evidence against the defendant was overwhelming, leaving no room for an indefensible stance.
对被告的指控证据确凿，无法为其辩护。
The company's decision to cut corners on safety was an indefensible move.
公司牺牲安全以降低成本的决定是无法辩解的。
The indefensible claim of plagiarism tarnished her reputation as a writer.
抄袭的无理指控玷污了她作为作家的声誉。
In the face of overwhelming scientific consensus, climate change skeptics often present indefensible arguments.
面对压倒性的科学共识，气候变化怀疑论者往往提出站不住脚的理由。
The government's refusal to address the crisis directly was seen as an indefensible position.
政府对危机的回避被视作无法辩解的态度。
The athlete's use of performance-enhancing drugs was an act of sporting dishonesty that left no room for an indefensible defense.
运动员使用兴奋剂的行为是体育不诚实的表现，无可辩护。
The company's treatment of its employees was so unjust that even their fiercest critics found it hard to defend.
公司对待员工的方式极其不公，连最激烈的批评者也难以为之辩护。
The politician's corruption allegations were too well-documented to allow for any credible attempt at an indefensible defense.
这位政客的腐败指控证据确凿，无法为任何可信的辩护提供空间。