I thought I was being smart,locking it all up in a journal.但是我还自以为聪明把这件事藏在日记里

lock up上锁； 封锁； 监禁； 禁闭

Someone has to lock up the house.

总要有人把房子锁起来。

Don't forget to lock up before leaving home.

离家之前别忘上锁。

the girl in front of you or the one who wrote that.眼前的女孩还是写日记的那个

in front of在 ... 前面

I drove up in front of the house and honked.

我将车开到屋子前面然后按喇叭。

The driver was ticketed for parking in front of a fire hydrant.

那个司机因把车停在消防栓前而接到交通违规罚单。