"In most accepted pain."
For 'pain,' which makes little or no sense, Warburton, who is generally followed, read pay. I prefer payment, as effacement may have left only a part of the m.
"But this Antenor
I know is such a wrest in their affairs."
I might incline to read trust for 'wrest.' "Their tribune and their trust" (Tit. Andron. i. 2). See also Ps. xl. 4, lxxi. 5. A wrest was what we now term a tuning-key. "This small instrument, the tongue being left in tune by the wrest of awe." King James's Edict, etc., quoted by Singer.
"Good morrow, Ajax.—Ay, and good next day too."