By way of disparagement (kata atimian). Intense irony. Cf. 2Co 6:8.
As though (hōs hoti). Presented as the charge of another. “They more than tolerate those who trample on them while they criticize as ‘weak’ one who shows them great consideration” (Plummer). After these prolonged explanations Paul “changes his tone from irony to direct and masterful assertion” (Bernard).
I am bold also (tolmō kagō). Real courage. Cf. 2Co 10:2, 2Co 10:12.