The words "let us go up" are understood from the previous clause. Alternate translation: "let us go up to the house of the God of Jacob" (See: [[rc://en/ta/man/jit/figs-ellipsis]])
The words "ways" and "paths" are metaphors for the way a person lives. If your language has only one word for the ground on which people walk, you may combine these phrases. Alternate translation: "he may teach us his will so that we may obey him" (See: [[rc://en/ta/man/jit/figs-parallelism]] and [[rc://en/ta/man/jit/figs-metaphor]])
These phrases mean the same thing. Isaiah was emphasizing that all nations will understand that the truth is found in Jerusalem. Alternate translation: "People in Zion will teach God's law, and people in Jerusalem will teach the word of Yahweh" (See: [[rc://en/ta/man/jit/figs-parallelism]])
"For the law will go out from Zion." Isaiah speaks as if the law were something like a river that moves without people doing anything. Alternate translation: "Those to whom they teach the law will go out from Zion" or "Yahweh will proclaim his law from Zion" (See: [[rc://en/ta/man/jit/figs-metaphor]])
"the word of Yahweh will go out from Jerusalem." Isaiah speaks as if the word of Yahweh were something like a river that moves without people doing anything. You can make clear the understood information. Alternate translation: "Those to whom they teach the word of Yahweh will go out from Jerusalem" or "Yahweh will proclaim his word from Jerusalem" (See: [[rc://en/ta/man/jit/figs-metaphor]] and [[rc://en/ta/man/jit/figs-ellipsis]])