Straitly - Vine's Expository Dictionary of New Testament Words
(1) For polla, AV, straitly" in Mark 3:12; Mark 5:43, See MUCH (RV).
(2) In Acts 4:17 some mss. have apeile, "a threat," with apeilo (Middle Voice), lit., "let us threaten them with a threat," AV, "let us straitly threaten;" the best texts omit the noun (so RV). Moulton and Milligan (Vocab.), arguing for the presence of the noun, consider that it "clearly reflects the literal rendering of a Semitic original reported to Luke from an eye-witness, was it Paul?"
(3) A similar construction, parangello with the noun parangelia, occurs in Acts 5:28, "we straitly charged you," lit., "we charged you with a charge." See CHARGE, A, No. 6.
(4) For embrimaomai, AV, "charge straitly" (RV, "strictly") in Matthew 9:30; Mark 1:43, See CHARGE, C, No. 4.