严谨

例句：

1. 1. He is very strict with his students.
   他对学生们要求非常严格。
2. 2.The teacher was very rigorous in her teaching methods.
   这位老师在教学方法上非常严格。
3. 3.We need to be more rigorous in our work to achieve better results.
   我们需要在工作中更加严格，以取得更好的成果。