/pɒtˈlʌk ||; pɑtˈlʌk/noun [C] (
US 美) a meal to which each guest brings some food, which is then shared out among the guests 百乐餐﹙参加者各带食物与众人分享﹚
take potluck 1 to have to choose sth from what is available and hope that it will be good or acceptable 接受现成的东西；有什么选什么: He'd have to take potluck in a town not noted for its hotels.在这个不以酒店出名的城市，他只好随便选一家了。
2 to have a meal at sb's home in which you eat whatever he/she has available 吃家常便饭；有什么吃什么
potluck adj:
a potluck meal/supper百乐餐