служебная собака betyder på engelska

police dog▼(trained dog for police work)
noun
[UK: pə.ˈliːs dɒɡ] [US: pə.ˈliːs ˈdɔːɡ]

working dog [working dogs]▼(type of dog breed)
noun
[UK: ˈwɜːk.ɪŋ dɒɡ] [US: ˈwɝːk.ɪŋ ˈdɔːɡ]