Having lost money in a strange city, he had to go begging from door to door.

他在一个陌生的城市里把钱丢了，他只能沿街乞讨。

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Entering through a window to avoid the likely booby trap, they approached the front door from inside and found attached to it the expected explosive charge set to go off when the door was moved.

英兵担心落入陷阱，从窗口爬进房子，走近前门，发觉门后果然系炸药，安排好门一动就会爆炸。

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The Environment Agency took over the role of flood warning in 1995 from the police who had to go door to door or sound alarms to get the news known.

在1995年环保局从警察手中接管洪涝警报的工作，当时他们（环保局）必须挨家挨户地通知或者是敲警钟让大家知道这个消息。

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Foster, likewise, has established a pattern so clear that your natural instinct to walk straight ahead from the front door takes you where you need to go.

NEWYORKER: Situation Terminal

Village men and boys, disguised in masks that depict traditional characters (red masks for boys and black for married men), go from door to door around the village, accompanied by a brass band.

UNESCO: Culture

Matt Rooney, head of Nottinghamshire Scouts, told BBC Breakfast that the new week of action would be different from the previous one, in that scouts would no longer go door-to-door offering to do work in return for a small donation.

BBC: Scouts launch voluntary 'bob-a-job' week