done carefully and with a lot of attention to detail 谨慎的；细致的；彻底的 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. 他们可能会从严格执行竞争政策中受益。
Word Originlate Middle English: from Old French rigorous or late Latin rigorosus, from rigor ‘stiffness’, from rigere ‘be stiff’.