京挑客 jingchao

顾客的挑剔 Nitpicking

好挑剔的客户 Picky customer

挑战客户最佳满意度 CHALLENGE FOR THE BEST

世界黑客大师挑战赛 WCTF

挑剔的顾客 a particular customer ; hard customer ; particular customer

挑剔的饕客 finicky eater

挑剔型顾客 dissatisfied clients

黑客大挑战 Hacker's Challenge

如何赢得最挑剔的顾客 Winning the Toughest Customer