"Lock up" 是把锁起来的常用表达方式。这个短语最早出现在16世纪，当时英国人用它来表示把物品锁起来放在柜子里或其他安全的地方。
例句：
Can you lock up the office when you leave tonight? (你今晚离开的时候能把办公室锁起来吗？)
I always lock up my bike when I leave it outside. (我把自行车放在外面的时候总是把它锁起来。)
The museum closes at 5pm, so make sure to lock up all the exhibits before you leave. (博物馆5点关门，所以离开之前一定要把所有展品锁起来。)
例句：
Can you lock up the office when you leave tonight? (你今晚离开的时候能把办公室锁起来吗？)
I always lock up my bike when I leave it outside. (我把自行车放在外面的时候总是把它锁起来。)
The museum closes at 5pm, so make sure to lock up all the exhibits before you leave. (博物馆5点关门，所以离开之前一定要把所有展品锁起来。)