销售团队一直在紧盯潜在客户，希望能促成交易。

The sales team has been ___bird-dogging potential clients, hoping to close deals.

他通过为房地产经纪人寻找潜在买家（bird-dogging）来赚取佣金。

He earns commissions by ___bird-dogging for real estate agents to find potential buyers.