Civilians then checked IDs again, fearing plain-clothes police might seek to act as agents provocateurs.

平民们接着再次检查身份，唯恐可能混入便衣警察伪装的奸细。

youdao

Some people in the US always like to point a finger at others and act as world police. They are not that popular around the world.

美国有些人总是喜欢指手画脚，把自己当作世界警察，这一做法在世界上并不受欢迎。

youdao

Only after he stopped moving did some viewers act on what they were seeing by calling the local police to inform them of what was taking place.

就在他停止动作之后，一些网友才忽然明白自己到底看到了什么。他们通知当地警方，告知事情经过。

youdao

Poles still view the Red Army invasion as an act of aggression, especially the Katyn Forest massacre, in which some 22,000 Polish soldiers, police and intellectuals were murdered by Soviet forces in 1940.

VOA: standard.2009.09.01

Bizarrely, the Police Act of 1997 covers only those devices whose installation involves trespass, criminal damage or interference with radio signals.

ECONOMIST: A snooper��s charter

The Criminal Justice and Police Act gives police the power to arrest kerb crawlers and force them to give fingerprints and DNA samples.

BBC: 'Wonderful' new powers for police

The Serious Organised Crime and Police Act said Mr Haw had to give six days' notice, if you please, of any demonstration within a kilometre of Parliament.

ECONOMIST: Brian Haw, peace campaigner, died on June 18th, aged 62