English Standard Version
He sees many things, but does not observe them; his ears are open, but he does not hear.

American Standard Version
Thou seest many things, but thou observest not; his ears are open, but he heareth not.

Berean Study Bible
Though seeing many things, you do not keep watch. Though your ears are open, you do not hear.”

Douay-Rheims Bible
20. Thou that seest many things, wilt thou not observe them? thou that hast ears open, wilt thou not hear?

English Revised Version
Thou seest many things, but thou observest not; his ears are open, but he heareth not.

King James Bible
Seeing many things, but thou observest not; opening the ears, but he heareth not.

World English Bible
You see many things, but don't observe. His ears are open, but he doesn't listen.

Young's Literal Translation
Seeing many things, and thou observest not, Opening ears, and he heareth not.

Isaiah 42:20 Additional Translations ...