He carelessly left the door unlocked.

他很粗心，没锁上门。

《柯林斯英汉双解大词典》

The days are gone when you could leave your door unlocked at night.

夜不闭户的时代已经一去不复返了。

《牛津词典》

I want the door unlocked.

我想把门打开。

youdao

"We're leaving the back door unlocked and wide open if we're not looking at what's being checked, " Cummock said.

CNN: Congress mulls tightened security for checked baggage

It sends a message to your pager every time your credit or ATM card is debited, your front door unlocked or your television set or any other consumer appliance switched on.

CNN: New features to slow the onslaught of mobile phones

So a golden rule of survival in this settlement is that every building must have its front door unlocked - and that includes those of the hosts, the Norwegian Polar Institute, and of the French and Germans, the British, the Indians, the Chinese and many others.

BBC: So remote, it could pass for Mars