en_tn_condensed/isa/30/20.md

General Information:

Isaiah continues speaking to the people of Judah.

the bread of adversity and the water of affliction

Here "bread" and "water" make up the diet of a very poor person. The whole phrase represents the hard times and poverty of the people. (See: rc://en/ta/man/jit/figs-metonymy)

your teacher

This refers to Yahweh.

you will see your teacher with your own eyes

Here "eyes" represents the whole person. Alternate translation: "you yourselves will see your teacher" (See: rc://en/ta/man/jit/figs-synecdoche)