en_tn_lite_do_not_use/lam/04/20.md

he was the one who was captured in their pits

Here "pits" refers to the enemies' plans to capture him. This can be stated in active form. Alternate translation: "he was the one whom our enemies captured by their plans" or "our enemies made plans to capture our king, and they did capture him" (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-activepassive)

of whom it was said

This phrase with the quote following it gives us more information about the king. The quote shows what the people had hoped the king would do for them before he was trapped. It can be expressed in active form. Alternate translation: "even though we had said about him" (See: rc://en/ta/man/translate/figs-distinguish and rc://en/ta/man/translate/figs-activepassive)

Under his shadow we will live among the nations

Here "his shadow" represents him protecting them. Alternate translation: "Under his protection we will live among the nations" or "Though we may have to live in other nations, he will protect us" (See: rc://en/ta/man/translate/figs-metaphor)