tough customer
01
难缠的顾客, 硬骨头
someone who is difficult to please or deal with, and is often demanding or critical in their expectations
例子
He ’s a tough customer when negotiating prices.
在谈判价格时，他是个难缠的客户。
The waiter handled the tricky customer with patience.
服务员耐心地处理了难缠的顾客。
