a betrothal party的用法和样例：
- This time, his mother introduced a Beijing girl, green text, and specially arranged for them a betrothal ceremony at sea tourism.
- Such early marriage in India is in the nature of a betrothal, the marriage being consummated when the girl attains puberty.
- Sure, his dad is a lush, but he's always the life of the party.
- He had a calling to join the party.
- A small party of men were told off for burial duty.