Having timed the routine, all I had to do was to pick the day.

摸清规律之后我只要选好日子
And arrange for a distraction at the front gate for exactly 4p.m.

安排人下午四点整在前门制造混乱
But at this point, you're still locked inside a steel box.

但那时你还锁在铁笼子里
To get out, you had to have a key code.

要出去你得有密码
You have very good chocolate milk.

你们的巧克力牛奶很不错
See, the carton contains thin layer of wax laminate.

纸包装盒里有一层薄薄的蜡膜
Lay it over the keypad to

把它贴在键盘上
impress within the key, which four keys were impressed.

按过的四个键会留下印记
With the four keys,

知道了是哪四个数字后
it's just numbers game to identify the correct sequence.

就只需要排列组合了
I just needed to get to the keypad.

我只需要够到键盘就行
After I covered my tracks,

掩盖我的行迹后