punc·til·i·ous·ly
adverb/pʌŋkˈtɪliəsli/
/pʌŋkˈtɪliəsli/
(formal)- in a very careful or correct way so that you perform your duties exactly as you should
一丝不苟的；循规蹈矩的 - She observed the rules punctiliously.
她一丝不苟地遵守规则。
- She observed the rules punctiliously.