Police investigate the cause of car accident.

警察调查了车祸的原因。

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The police investigate a crime and may apprehend suspects and detain them in custody.

警方调查犯罪，并可能逮捕并羁押犯罪嫌疑人。

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Dave, wrapped in a blanket and cradling a coffee cup, pats the chalk outline of his shattered guitar as police investigate the incident in the satirical video.

戴夫，裹在一条毯子和抱着咖啡杯，拍拍粉笔提纲他破碎的吉他，警察调查这一事件的讽刺视频。

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But anyone can file charges of lese majeste, and police are obliged to investigate.

VOA: standard.2010.07.06

That's why we have a criminal justice system in which the police investigate crimes.

CNN: Surveillance state no answer to terror

He was ordered held in prison for three months as police investigate the case.

NPR: Fallen 'Idol:' TV Show Winner Held In Dominican

The claims come as British police investigate four Pakistan players over allegations of spot-fixing.

BBC: Shane Watson & Brad Haddin 'approached' by bookmaker