Working backwards and taking into account

往回数再算上
the 2009, 2012 leap years, 3,553 days...

2009年 2012年是闰年总共3553天
April 9, 2004, the exact day Clark began his prison term.

2004年4月9日正是克拉克开始服刑的那天
So Walsh was waiting for Clark to be released

这么说沃尔什在等克拉克刑满释放
to take revenge on him.

以实施报复
And suddenly the object of his vengeance was gone.

突然他复仇的目标没有了
But Walsh's need for justice wasn't.

但他想追求的正义却没能实现
His revenge has simply found another outlet.

因此他的复仇找到了另一个出口
We need to see if any cars have been reported stolen

我们要查一下过去几小时
in the area in the last couple hours.

这个地区有没有汽车被报失
If Walsh is swapping out vehicles,

如果沃尔什换了车
it would be the first indication

就至少说明