She is meticulous about decorating her room, even making sure the curtain folds are symmetrical.

meticulous 是形容词，意思是"极其仔细的、一丝不苟的"，特别强调对细节的高度关注和精确处理。这个词来自拉丁语 meticulosus（意为"害怕的"），后来演变为形容做事过分谨慎小心的态度。