grab bag

• 1. 

  N-COUNT A grab bag is a game in which you take a prize out of a container full of hidden prizes. 摸彩(袋) [美国英语]

• 2. 

  N-COUNT A grab bag of things, ideas, or people is a varied group of them. (各种人、事、思想等的)大混合 [usu N 'of' n]

  例：

  ...a fascinating grab-bag of documents about the life of Liszt.

  ...有关李斯特生平的各种非常有意思的资料集合。