tn The verb חָפַר (khafar) means “to search out, investigate, examine.” In the conditional clause the imperfect verb expresses the hypothetical case.
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tn Both the infinitive and the imperfect of תָּלַל (talal, “deceive, mock”) retain the ה (he) (GKC148§53.q). But for the alternate form, see F. C. Fensham, “The Stem HTL in Hebrew,” VT 9 (1959): 310–11. The infinitive is used here in an adverbial sense after the preposition.