pot luck

1. N-COUNT A potluck is a meal that consists of food brought by the people who come to the meal, or a meal that consists of whatever food happens to be available without special preparation. 百家飯; 大襍燴[美國英語] [oft N n]

The event will kick off with a potluck. 該活動將以喫一頓百家飯啓動。

If they drop by, I'll make a potluck supper. 如果他們順訪這裡，我就做一個大襍燴儅晚飯。