If someone is dressed in their finery, they are wearing the elegant and impressive clothes and jewellery that they wear on special occasions.
例句
...the guests in all their finery.身著盛裝的客人們
英漢詞典釋義
n.
華麗、優雅的服裝或裝飾
We watched the stars arriving for the awards ceremony dressed up in all their finery.我們看著明星們打扮得雍容華貴,來到了頒獎典禮。She loved to adorn herself with finery.她喜歡穿戴華麗的服飾。