en_tn_condensed/isa/02/10.md

Go into the rocky places

Possible meanings are the people should go into 1) caves on steep hillsides or 2) places where there are many large rocks among which to hide.

hide in the ground

Possible meanings are that the people should hide 1) in natural holes in the ground or 2) in pits that they dig in the ground.

from the terror of Yahweh

Here the abstract noun "terror" can be expressed by the verb "terrifying." Alternate translation: "to get away from Yahweh's terrifying presence" or "from Yahweh because you will be extremely afraid of him" (See: rc://en/ta/man/jit/figs-abstractnouns)

the glory of his majesty

"the great beauty and power he has as king" or "his royal splendor." See how you translated this in Isaiah 2:10.