I arrived at the church at two-thirty p.m. to find some early comers outside the main door.

我于下午两点半来到教堂，发现大门外已有些人到了。

《柯林斯英汉双解大词典》

Passenger is request to remain seat until the main door is open.

乘客们被要求在座舱门打开之前呆在座位上。

youdao

Behind her was an elderly lady sitting outside the main door of the house.

而她身后的堂屋门前，坐着一位老太太。

youdao

Some of the rack was removed last week to create a gap in front of the main door.

WSJ: NYC launches bike share program, largest in nation

Atiq hunches his shoulders and heads toward the building, where armed men waiting for him are squatting on either side of the main door.

NPR: 'The Swallows of Kabul' Book Excerpt

The bookstore near the main door?

FORBES: Good Neighbors