English Standard Version
When many of his disciples heard it, they said, “This is a hard saying; who can listen to it?”

American Standard Version
Many therefore of his disciples, when the heard this , said, This is a hard saying; who can hear it?

Berean Study Bible
On hearing it, many of His disciples said, “This is a difficult teaching. Who can accept it?”

Douay-Rheims Bible
Many therefore of his disciples, hearing it, said: This saying is hard, and who can hear it?

English Revised Version
Many therefore of his disciples, when they heard this, said, This is a hard saying; who can hear it?

King James Bible
Many therefore of his disciples, when they had heard this, said, This is an hard saying; who can hear it?

World English Bible
Therefore many of his disciples, when they heard this, said, "This is a hard saying! Who can listen to it?"

Young's Literal Translation
many, therefore, of his disciples having heard, said, 'This word is hard; who is able to hear it?'

John 6:60 Additional Translations ...