done carefully and with a lot of attention to detail 非常注重细节 a rigorous analysis 细致的分析 Few people have gone into the topic in such rigorous detail. 很少有人如此严谨地讨论这个题目。 The second team adopted a much more rigorous approach to the problem. 第二组处理这个问题时审慎得多。
demanding that particular rules, processes, etc. are strictly followed 严格的；严厉的 The work failed to meet their rigorous standards. 工作没有达到他们的严格标准。 They may benefit from the rigorous application of competition policy. 他们可能受益于竞争政策的严格实施。
Word Originlate Middle English: from Old French rigorous or late Latin rigorosus, from rigor ‘stiffness’, from rigere ‘be stiff’.