ESV: Yet Saul did not say anything that day, for he thought, "Something has happened to him. He is not clean; surely he is not clean."
NIV: Saul said nothing that day, for he thought, "Something must have happened to David to make him ceremonially unclean—surely he is unclean."
NASB: Nevertheless Saul did not say anything that day, because he thought, 'It must have been an accident; he is not clean, undoubtedly he is not clean.'
CSB: Saul did not say anything that day because he thought, "Something unexpected has happened; he must be ceremonially unclean—yes, that’s it, he is unclean."
NLT: Saul didn’t say anything about it that day, for he said to himself, 'Something must have made David ceremonially unclean.'
KJV: Nevertheless Saul spake not any thing that day: for he thought, Something hath befallen him, he is not clean; surely he is not clean.
NKJV: Nevertheless Saul did not say anything that day, for he thought, “Something has happened to him; he is unclean, surely he is unclean.”