consisting of many different types that do not appear to go together

There's a motley assortment/collection of old furniture in the house we're renting now. 我们现在租住的房子里有一堆杂七杂八的旧家具。

The people who turned up for the meeting were a motley crew (= a group consisting of many different types of people). 出席会议各色人等都有。