en_tn_condensed/job/37/01.md

my heart trembles ... it is moved out of its place

These two phrases mean basically the same thing and emphasize the intensity of his fear. (See: rc://en/ta/man/jit/figs-parallelism)

my heart trembles at this

The word "this" refers to the storm in Job 36:33.

it is moved out of its place

Elihu speaks of his heart beating violently as if it were to jump out of his chest. Alternate translation: "it moves out of its place" or "it beats violently" (See: rc://en/ta/man/jit/figs-metaphor and rc://en/ta/man/jit/figs-activepassive)