n.[C]

1. 顾客；买主
   The store has a lot of regular customers.

   这家商店有许多老主顾。

2. 【口】家伙，小子
   Steven is a queer customer.

   斯蒂文是个怪人。

n.

1. a person who buys goods or services from a shop or business.
2. a person of a specified kind that one has to deal with:
   he's a tough customer.