New Living Translation
What do you know that we don’t? What do you understand that we do not?

American Standard Version
What knowest thou, that we know not? What understandest thou, which is not in us?

Berean Study Bible
What do you know that we do not? What do you understand that is not clear to us?

Douay-Rheims Bible
What knowest thou that we are ignorant of? what dost thou understand that we know not?

English Revised Version
What knowest thou, that we know not? what understandest thou, which is not in us?

King James Bible
What knowest thou, that we know not? what understandest thou, which is not in us?

World English Bible
What do you know, that we don't know? What do you understand, which is not in us?

Young's Literal Translation
What hast thou known, and we know not? Understandest thou -- and it is not with us?

Job 15:9 Additional Translations ...