JMNT(i)
3 May no one at any point beguile or seduce you folks from a deception – not even down from one turn (or: not according to one method; not in the sphere of a manner or disposition) – because should not the standing away from (the departure; the setting away; or: the rebellion; the revolt) come first, and thus the human from the lawlessness – the person of failure (some MSS: the Man who missed the mark – sinned; the human being with the qualities and character of error and mistake; [other MSS: the person owned by lawlessness or associated with illegal acts]) – be uncovered (unveiled; revealed; disclosed): the son of the loss (= the person having the qualities of, or the character resulting from, the destruction),
4 the one continuously occupying an opposite position (or: constantly lying as the opposing counterpart) and repeatedly lifting (or: raising) himself up over all (or: upon everything) being normally called God or an effect of worship (or: reverent awe), so as to cause him to be seated – down into the midst of the temple of God (or: God's dwelling place) – continuously displaying himself, that this/it is God (or: continuously pointing out that he himself is a god)?
5 Do you not remember that, still being with you, I said these things to you?
6 And now you know (have seen and are aware of) the thing continuously holding down in a firm grasp (detaining, restraining) unto the [situation for] him to be uncovered (unveiled; disclosed) in his own fitting situation (or: proper occasion; suitable season; fertile moment).
7 For the secret (hidden purpose; mystery) of the lawlessness (pertaining to the condition of being without law; which is the unlawfulness; having the character of being violation of the Law; whose source is the contrariness to custom) is already continuously working within (operating; energizing), [yet] only until the one (or: man; [note: masculine article]) continuously holding down in a firm grasp (detaining; restraining) at the present moment can birth himself (bring himself to be; = separate himself) forth from out of the midst.
8 And then (at that time) the lawless person (the unlawful one; the one without law; the man who violates the Law; the person being contrary to custom) will be uncovered (unveiled; disclosed), whom the Lord Jesus will take back up again (or: lift up; reading 'anaireo' with Nestle, Tasker & Concordant texts; Griesbach & other MSS read 'analisko': consume, use up, expend) by the Spirit (Breath-effect) of His mouth, and will deactivate (render inoperative and useless; make inert) by the manifestation (the bringing of light upon and setting in full and clear view, causing an appearance) of his (or: its; or: His) presence –