She slipped in and out of the theatre by a side door.

她从侧门溜进去又溜出了那家剧院。

《柯林斯英汉双解大词典》

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Two four-meter-tall sculptures stand guard on either side of a door.

VOA: special.2010.06.23

You walk in the front door, Christ in majesty -on the left side are the damned writhing and on the right side are the blessed looking a good deal happier.

你走进大门口,威严的基督,左边是受诅咒之人在受煎熬,右侧是受保佑的人,看起来快乐得多

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But Kickstart, which comes in flavors such as "energizing orange citrus" and "energizing fruit punch, " could nevertheless give the company a side-door into the fast-growing energy drink market without getting tangled in any of its controversies.

NPR: Mountain Dew Introduces A Breakfast Drink

But side-door entries are permissible.

ECONOMIST: Retailing: Setting up shop in India | The

One neat trick: The right-side passenger door can hinge conventionally or backward, so people getting into the back of the car have easier access.

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