Targum on I Samuel 20:39: Onkelos Aramaic Translation

וְהַנַּ֖עַר לֹֽא־יָדַ֣ע מְא֑וּמָה אַ֤ךְ יְהֽוֹנָתָן֙ וְדָוִ֔ד יָדְע֖וּ אֶת־הַדָּבָֽר׃

But the lad knew not any thing; only Jonathan and David knew the matter.

Read the Targum (classical Aramaic translation) of I Samuel 20:39: Targum Onkelos and other Aramaic renditions, free online, no signup.