One of them is to go through the roof.

一个是 go through the roof（猛增、飞涨）。

Confidence is probably gonna go through the roof.

信心可能会暴涨。

As the tech improves, the production is going to go through the roof.

随着技术的进步，生产将达到顶峰。

The temperature's going to go through the roof.

温度将通过屋顶。

If you have a couple of nice, generous helpings of strawberry-rhubarb pie — and just to make things interesting, let's say they're a la mode — your blood glucose level is gonna go through the roof.

如果你多吃几份美味的草莓大黄派——让事情变得有趣点，假设它们很流行——你的血糖水平会飙升。