punctilious

1. ADJ Someone who is punctilious is very careful to behave correctly. 拘谨的[正式]

He was punctilious about being ready and waiting in the entrance hall exactly on time. 他拘于礼数地准备妥当，按时在门厅的入口处等候。

He was a punctilious young man. 他是个拘谨的年轻人。

2. punctiliouslyADV

Given the circumstances, his behaviour to Laura had been punctiliously correct. 就当时情况而言，他对劳拉的行为已算礼数恰当了。