public holiday       
noun [ C ] uk/ˌpʌb.lɪk ˈhɒl.ə.deɪ/ us/ˌpʌb.lɪk ˈhɑː.lə.deɪ/
 公众假日
a day when almost everyone in a particular country does not have to go to work or school
  New Year's Day is a public holiday in many countries. 元旦在许多国家是公众假日。 
 Compare: national holiday
See also: holiday noun