Laws, rules, or systems that are rigid cannot be changed or varied, and are therefore considered to be rather severe.
Several colleges in our study have rigid rules about student conduct.
我们调查中的几所学院对学生的行为举止有过于严格的规定。
Hospital routines for nurses are very rigid.
医院对护士的常规工作要求非常严格。
If you disapprove of someone because you think they are not willing to change their way of thinking or behaving, you can describe them as rigid.
She was a fairly rigid person who had strong religious views.
她是个相当刻板、有着很强宗教观念的人。
A rigid substance or object is stiff and does not bend, stretch, or twist easily.
rigid plastic containers.
坚硬的塑料容器。
These plates are fairly rigid.
这些板材相当坚硬。