1. 小心谨慎的;一丝不苟的;注意细节的
If you describe someone as meticulous, you mean that they do things very carefully and with great attention to detail.

1. marked by extreme care in treatment of details

e.g. a meticulous craftsman
almost worryingly meticulous in his business formalities

2. marked by precise accordance with details

e.g. meticulous research
punctilious in his attention to rules of etiquette

Synonym: punctilious