Hansel sprang like a bird from its cage when the door is opened.

当门打开的时候，汉赛尔像鸟儿一样从笼子里跳了出来。

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Even if the door is opened, person who is looked for might not be there.

就算打开了那扇门，你找的人也未必还在原来的地方。

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When the door is opened, the altar is seen from the square, powered by the light axis.

当门被打开时，从广场上可以看到圣坛因光轴的存在而充满力量。

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Mercedes-Benz, for example, has programmed cars to stop and go into Park when the door is opened, no matter whether the driver has correctly engaged the Park button used on certain shifter stalks.

WSJ: Changing Gears: Auto Makers Ditch Familiar Shift Levers

Dishwashers were found to be particularly effective: the high-temperature spray, splashing against the crockery and cutlery, results in a nasty plume of toxic chemicals that escapes when the door is opened at the end of the cycle.

ECONOMIST: Indoor pollution

Aptitude, training and skill level become, at best, secondary concerns, and the door to lawsuits is opened wide.

FORBES: We Shouldn't 'Hire American'