Vine's Expository Dictionary: View Entry
ἀπορέω aporéō, ap-or-eh'-o; from a compound of G1 (as a negative particle) and the base of G4198; to have no way out, i.e. be at a loss (mentally):—(stand in) doubt, be perplexed.
The KJV translates Strong's G639 in the following manner: doubt (2x), be perplexed (1x), stand in doubt (1x).
to be without resources, to be in straits, to be left wanting, to be embarrassed, to be in doubt, not to know which way to turn
to be at a loss with one's self, be in doubt
not to know how to decide or what to do, to be perplexed
Strong's Number G639 matches the Greek ἀπορέω (aporeō),
which occurs 4 times in 4 verses
in the TR Greek.