柯林斯词典bird dog [美國英語] 1. N a dog used or trained to retrieve game birds after they are shot 捕鳥獵犬[hunting] 2. V to control closely with unceasing vigilance 密切觀察[非正式] 返回 bird dog剑桥词典a gun dog (獵人用來找廻被射殺禽鳥的)獵狗 返回 bird dog