People dress to the nines for the Christmas party.

人们都盛装迎接圣诞晚会。

youdao

Every time she went to a dance, she would always be dressed up to the nines.

每一次赴参加舞会，她都打扮得特别漂亮。

youdao

The whole family were dressed up to the nines when they left for the wedding.

全家人都身著盛装去参加婚礼。

youdao

You might say when I wear my best clothes, I am dressed to the nines or dressed to the teeth.

VOA: special.2010.05.09

You do not have to dress to the nines, or wear your best clothes, for this kind of work.

VOA: special.2009.07.26

We dressed to the nines and lunched at Caviar Kaspia or on the Ritz terrace.

WSJ: Julia Reed's French Non-Honeymoon | Traveler's Tale

And there's no pressure to dress to the nines on the slopes or off, adds Cecile George, winding up a ski week with her husband and kids.

CNN: Taking the kids: On an old-fashioned Montana ski trip

On nice summer days, me and a good friend of mine named Heather would walk the sprawling weed-free lawn holding hands, dressed to the nines in our JC Penny tour guide income finest, and strolled towards the Cliff Walk over looking the Atlantic.

FORBES: Getting Over Our Over-Levered Selves