a job lot

详细解释:整批买卖的杂货

例句：

The auctioneer salted the mine by putting one valuable plate among a job lot of old crockery.这个拍卖商在一堆毫无价值的旧陶器中放上一个很有价值的盘子，这使人误以为那些旧陶器也有价值。