mixed bag

• 1. 

  N-SING If you describe a situation or a group of things or people as a mixed bag, you mean that it contains some good items, features, or people and some bad ones. (物或人的)大杂烩; (局势的)混杂 [usu 'a' N, oft N 'of' n]

  例：

  Research on athletes and ordinary human subjects has yielded a mixed bag of results.

  对运动员和普通人的研究得出了混合的结果。

  例：

  This autumn's collections are a very mixed bag.

  今年秋装系列风格迥异。