It's the garden without a door.

这是一个没有门的花园。

youdao

Too often I see people rushing into elevators without giving those inside a chance out first, or never saying "Thank you" when others hold the door open for them.

我经常看到人们冲进电梯，却没有先给里面的人一个出去的机会，或者当别人为他们开门时，他们从来不说“谢谢”。

youdao

It's impolite to enter a person's room without knocking at the door first.

不先敲门就进入一个人的房间是不礼貌的。

youdao

The foreign policy context opened the door: Without a strong economy, America cannot have a strong foreign policy.

FORBES: How Obama Handed The Debate To Romney (Update: Why No Benghazi? Answer: Reuters)

Khan died without a will, opening the door to a court battle.

NPR: Autopsy Reveals Little About Lottery Winner Death

At TWB Co. a single laser welds steel sheets of different properties into a single raw sheet that Cadillac can have stamped into a door panel without any of its own welds.

FORBES: Man of steel