不正直

例句：

1. 1. The criminal was found to be incorrigible and sentenced to life imprisonment.
   这名罪犯被发现无法改正，被判处终身监禁。
2. 2.The teacher was determined to change the student's behavior but found it incorrigible.
   老师决心改变学生的行为，但发现他无法改正。
3. 3. The scientist was incorrigible in his refusal to accept new ideas.
   这位科学家固执己见，拒绝接受新的想法。