One is we're going to keep our foot on the accelerator when it comes to bringing tough cases.

其一是我们在处理棘手案件时，需要踩下油门。

So the kind of toughest case.

所以那种最棘手的情况。

Look, I told you guys, these are tough cases.

我跟你们说过 这都是些难办的案子。