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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She thought of her lover opening the door on the other side of which waited the sharp teeth of the tiger!

VOA: special.2009.04.18

Someone came up, opened the passenger side door which would scare you,

有人走过来，打开乘客手边的门，你肯定会被吓到，

大城市是否危险？ - SpeakingMax英语口语达人

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

耶鲁公开课 - 聆听音乐课程节选

'Sitting there, he could see the front and the side door at all times.

BBC: Chicago��s celluloid city

They were wrestling a heavy iron frame into a side door in the tunnel.

NEWYORKER: Boss Rail

We slipped in a side door of that two-block wide school on September 23.

CNN: Eckford: Central High in 1957 'was not ... a normal environment'