ESV: But the boy knew nothing. Only Jonathan and David knew the matter.
NIV: (The boy knew nothing about all this; only Jonathan and David knew.)
NASB: But the boy was not aware of anything; only Jonathan and David knew about the matter.
CSB: He did not know anything; only Jonathan and David knew the arrangement.
NLT: He, of course, suspected nothing; only Jonathan and David understood the signal.
KJV: But the lad knew not any thing: only Jonathan and David knew the matter.
NKJV: But the lad did not know anything. Only Jonathan and David knew of the matter.