potluck [pɑ:tˈlʌk]

例句:

• Having arrived unannounced for supper, we had to take potluck.
  由于没有提前通知我们要来吃晚饭, 我们只能吃些家常便饭.
  
• Come along and take potluck.
  请来吃顿家常便饭.
  
• The scheduled flight was canceled and passengers had to take potluck on the other airlines.
  原定航班被取消了,乘客们只能在其他航线上试试运气.
  
• There's even a wiki for people who like to throw potluck parties.
  来自VOA
• The six now regularly meet for a potluck supper at one another's houses.
  来自WSJ
• Or offices can implement a no gift-giving policy and instead have everyone participate in a potluck lunch.
  来自CNN