American Standard Version
Whom will he teach knowledge? and whom will he make to understand the message? them that are weaned from the milk, and drawn from the breasts?

Berean Study Bible
Whom is He trying to teach? To whom is He explaining His message? To infants just weaned from milk? To babies removed from the breast?

Douay-Rheims Bible
Whom shall he teach knowledge? and whom shall he make to understand the hearing? them that are weaned from the milk, that are drawn away from the breasts.

English Revised Version
Whom will he teach knowledge? and whom will he make to understand the message? them that are weaned from the milk, and drawn from the breasts?

King James Bible
Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.

World English Bible
Whom will he teach knowledge? To whom will he explain the message? Those who are weaned from the milk, and drawn from the breasts?

Young's Literal Translation
By whom doth He teach knowledge? And by whom doth He cause to understand the report? The weaned from milk, the removed from breasts,

Isaiah 28:9 Additional Translations ...