In the very thick of ...

The phrase "in the very thick of" generally means to be in the middle or deeply involved in a situation or event. It can refer to being fully engaged in an activity, surrounded by chaos or action, or immersed in a challenging circumstance. The phrase often implies that one is actively participating in or experiencing the intensity of the situation.

「Friends, when life gets really difficult, don’t jump to the conclusion that God isn’t on the job. Instead, be glad that you are in the very thick of what Christ experienced. This is a spiritual refining process, with glory just around the corner.」
‭‭1 Peter‬ ‭4‬:‭12‬-‭13‬ ‭MSG‬‬