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.身着盛装的客人们
英汉词典释义
n.
华丽、优雅的服装或装饰
We watched the stars arriving for the awards ceremony dressed up in all their finery.我们看着明星们打扮得雍容华贵,来到了颁奖典礼。She loved to adorn herself with finery.她喜欢穿戴华丽的服饰。