我觉得自己似乎犯了个不可容忍的低级错误。

I felt as if I had made an outrageous howler.

《柯林斯英汉双解大词典》

在这一点上，失败是不可容忍的。

At this point, failure is unacceptable.

youdao

仅因为现有的儿科制剂太少，儿童就不能得到有效的治疗—这是令人不可容忍的。

It is outrageous that children can't get effective treatment - simply because so few paediatric preparations are available.

youdao

He's punishing the evil corruption of human beings that he has so lovingly created and whose degradation he can't bear to witness.

他这是在惩罚人类的堕落,上帝充满爱意地创造了人,而人却堕落得让他不可容忍。

耶鲁公开课 - 旧约导论课程节选