1to have a public holiday; to have an official holiday
2(Tw) (of a business establishment) to be closed regularly on certain days, as determined by a trade association
Example
kě shì可是ròu肉diàn店jīn tiān今天gōng xiū公休méi没bàn办fǎ法。
可是肉店今天公休没办法。
But the butcher is observing the holiday today, there's nothing we can do about it.