（慶祝;慶賀） celebrate; congratulate:
歡慶 celebrate joyously
慶豐收 celebrate a bumper harvest
設宴慶壽 celebrate a birthday by (with) a banquet
（值得慶祝的周年紀念日） occasion for celebration:
國慶 National Day
校慶 anniversary of the founding of a school
十年大慶 the festive occasion of the 10th