慶賀

1. Origins, structure, and basic meaning

• Structure: 慶賀, read けいが, means rejoicing over and celebrating an auspicious event.
• Basic usage: 慶賀する is used in formal contexts such as anniversaries or completion ceremonies.

2. Common pitfalls and similar expressions

• The occasion and the connective form
  • In 創立五十周年を慶賀し, the fiftieth anniversary is what is celebrated.
  • し connects the verb to the next action.
• Modifying the ceremony
  • 完成を慶賀する式典 is a ceremony celebrating completion.
  • The verb phrase modifies the following noun for the ceremony.
• Register
  • 慶賀する has a more formal, literary tone than 祝う.