en_tn_condensed/isa/41/01.md

Listen before me in silence

Here "me" refers to God.

you coastlands

This refers to the people who live on the islands and in the lands bordering or beyond the Mediterranean Sea. (See: rc://en/ta/man/jit/figs-metonymy and rc://en/ta/man/jit/figs-apostrophe)

renew their strength

See how you translated this phrase in Isaiah 40:31.

let them come near and speak; let us come near together to argue a dispute

These two phrases share similar meanings. The second explains the reason for the first. Alternate translation: "then let them come near so they may speak and reason with me" (See: rc://en/ta/man/jit/figs-parallelism)