I saw that the blade of my dagger was closed in with the fat of King Eglon. As soon as I went out, I locked the doors and went out before anyone caught me.

我看到那把匕首牢牢地刺在矶伦王身上，便迅速走了出去，并把宫门锁死，在任何人发现之前离开了。

youdao

I locked all the doors.

我锁好了所有的门。

youdao

I made doubly sure I locked all the doors when I went out.

我一再查看所有的门都锁好后才出的门。

《牛津词典》

And I think with locked cockpit doors, the air marshals themselves, the pilots, the passengers, the screening that goes in ... you cannot necessarily prevent violence on an airplane, but that is not the TSA's mission.

CNN: STORY HIGHLIGHTS

When I dropped by during a visit to Beijing last September, I found Chinese security guards manning the reception desk behind a set of locked glass doors.

FORBES: North Korean refugees lead lives of hell in China.