He glanced up and saw an open fanlight leading to the locked office next door.

他向上一瞥，看到一扇开着的气窗，通向锁着的隔壁办公室。

《柯林斯英汉双解大词典》

Prisoners in open prisons are locked up at night, but for the rest of the time, they are free within the prison grounds.

开放式监狱里的囚犯晚上会被关起来，但其余时间，他们在监狱内享有人身自由。

youdao

I did not fear her breaking bounds; because the gates were generally locked, and I thought she would scarcely venture forth alone, if they had stood wide open.

我并不怕她越出界外，因为大门总是锁住的，而且我以为就是门大开着的话，她也不敢一个人贸然而去。

youdao

Even so, Amanda Berry was afraid to break open the locked storm door because "she thought Ariel (Castro) was testing her, " said the police report.

BBC: Cleveland rescue: The mystery of 2207 Seymour Avenue

In the most recent, in December, burglars forced open a locked wooden trophy cabinet at Tandridge Golf Club in Oxted and got away with 35 trophies.

BBC: Bramley Golf Club trophies stolen

On the night she escaped, Ms. Berry told police that Mr. Castro had left the main front door open, but the storm door was locked and she couldn't get it open.

WSJ: Charges Filed in Abduction of Women in Cleveland