fastidious
adjective uk/fæsˈtɪd.i.əs/ us/fæsˈtɪd.i.əs/
一丝不苟的；过分严谨的；苛求的
giving too much attention to small details and wanting everything to be correct and perfect
He is very fastidious about how a suitcase should be packed. 他对如何打点行装要求很严格。
有洁癖的；讲究的
having a strong dislike of anything dirty or unpleasant
They were too fastidious to eat in a fast-food restaurant. 他们太讲究了，不会在快餐店吃饭。