New Living Translation
They noticed that some of his disciples failed to follow the Jewish ritual of hand washing before eating.

American Standard Version
and had seen that some of his disciples ate their bread with defiled, that is, unwashen, hands.

Berean Study Bible
and they saw some of His disciples eating with hands that were defiled—that is, unwashed.

Douay-Rheims Bible
And when they had seen some of his disciples eat bread with common, that is, with unwashed hands, they found fault.

English Revised Version
and had seen that some of his disciples ate their bread with defiled, that is, unwashen, hands.

King James Bible
And when they saw some of his disciples eat bread with defiled, that is to say, with unwashen, hands, they found fault.

World English Bible
Now when they saw some of his disciples eating bread with defiled, that is, unwashed, hands, they found fault.

Young's Literal Translation
and having seen certain of his disciples with defiled hands -- that is, unwashed -- eating bread, they found fault;

Mark 7:2 Additional Translations ...