being careful that every detail of something is correct 一丝不苟的；严谨的 - (sometimes disapproving)
not liking things to be dirty or untidy 讲究整洁的；有洁癖的 The child seemed fastidious about getting her fingers dirty. 这孩子似乎对弄脏手指很挑剔。
Word Originlate Middle English: from Latin fastidiosus, from fastidium ‘loathing’. The word originally meant ‘disagreeable’, later ‘disgusted’. Current senses date from the 17th cent.