A police car pulls up to the bus, lights flashing blue and red through the bus windshield, and someone outside the bus is Shouting, "Hold up in there."

一辆警车驶近公交车，红色和蓝色交替的警灯透过公交车的挡风玻璃，公交车外的某人喊道“全都别动！”我得救了。

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Long streamers of Northern Lights flashing blue wisps across the sky.

北极光的狭长流光，闪射出蓝色的光芒，横过夜空。

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Flashing orange and blue indicator lights help guide your wrist to your heart level, making it easier to find the correct position.

闪烁的橘色和蓝色指示灯能指导你手腕处于心脏齐平为止，帮助您方便找准位置。

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In recent weeks, hundreds of Muscovites have been strapping blue buckets to the roofs of their cars to mock the flashing blue lights that allow senior bureaucrats to drive into oncoming traffic and break the rules that everyone else has to obey.

VOA: standard.2010.05.19

The person arrested in France is believed to have been one of eight heavily armed robbers, disguised as police, who sped onto the tarmac of the Brussels Airport on Feb. 18 in two vehicles equipped with blue flashing lights.

WSJ: Police Detain Suspects in Brussels Airport Diamond Heist

And then a police van came screaming down on us, blue lights flashing, horn honking.

BBC: Cruising around northern Italy

The cars pursued him with flashing blue lights after officers spotted a defective rear light.

BBC: Suffolk drink drive Pc banned and faces losing job