lawn party

1. As she looked at the buoyant children on the water, the crowd in her lawn burgeoned into a regular party.
   在她看着水上快乐的孩子们的时候，她家草坪上的人群已经迅速发展成了一个标准聚会。

noun

1. a party of people assembled for social interaction out of doors

   Synonym:    garden partyfete champetre