punctilio/pʌŋkˈtɪlɪəu; pʌŋk`tɪlɪˌo/ n(pl ~s) [C, U](fml 文) (instance of) giving careful attention to every small point of ceremony, good conduct, honour, etc （对礼仪、 操守、 荣誉等的）谨慎, 一丝不苟, 拘泥, 拘谨, 拘礼.
牛津英汉双解词典