You may indicate what it is that Habakkuk heard. Possible meanings are 1) "I heard everything in that vision" or 2) "I heard Yahweh approach like a great storm" (See: [[rc://en/ta/man/jit/figs-explicit]])
The word translated here as "inner parts" is literally "belly." If your language has a specific internal organ that it uses to express the feeling of great fear, you can consider using it here. Alternate translation: "my heart beat rapidly" or "my stomach turned" (See: [[rc://en/ta/man/jit/figs-explicit]])
Habakkuk speaks of having no strength in his body as if his bones began to decay. You may consider using an idiom from your own language here. Alternate translation: "My body goes limp, as if my bones were rotting" (See: [[rc://en/ta/man/jit/figs-idiom]] and [[rc://en/ta/man/jit/figs-explicit]])
The words "under myself" refer to what is below him. Possible meanings for the idiom are 1) "my legs tremble" or 2) "I tremble where I stand." (See: [[rc://en/ta/man/jit/figs-idiom]])