英和和英

the Metropolitan Police Board

a police-station

a police-box

the Federal Bureau of Investigation

a police detective

a compulsory search

a position called police detective

an undercover investigation

a policeman on special duty

patrol of officers who police a harbor area

a plain-clothes man

a policeman's beat

off-duty policemen

a pointsman

The police turn out in full force.

in the public prosecutor's office, a criminal investigation unit called the special investigation section

the department got a good comb-out

a defense laboratory of the Criminal Investigation Command

the policeman on duty

It is only a policeman.

a policeman on inside duty

a policeman on his beat

Officer Smith

a policeman on the prowl

a police detective

a plain-clothes man

a police lodging-house

a person who is in the lowest rank of policeman

a policeman called a local policeman

The policeman is on his beat.