“…In certain domains where adversarial and aggressive verbal acts are prevalent or violations of politeness maxims are deemed as highly undesirable yet inevitable, interactants often resort to different politeness strategies, such as off-record (Brown and Levinson, 1987) or verbal indirectness strategies (Obeng, 1994), in an effort to minimise potential backlashes as they perform these face-threatening acts. This phenomenon is found to be common in medical discourse, where patients sometimes challenge medical practitioners' claims of competency (Defibaugh, 2014), and also in media (Burnes, 2011) and political discourse (Chilton and Ilyin, 1993;Lakoff and Johnson, 1980;Obeng, 1997;Pérez de Ayala, 2001;Wei, 1997Wei, , 1999Wei, , 2000Wilson, 1990;inter alia).…”