The interactional roles of smile and laughter have been widely explored in both institutional settings and mundane talk (e.g. Holt 2016; Potter and Hepburn 2010). However, the role of one specific kind of smile, what we call a 'squeezed-mouth smile' (SMS), remains unexamined. Using CA, this study explores one teacher's use of SMS in response to…

Although there is a body of research on the teacher first language (L1) use in English-medium-instruction (EMI) classrooms, very little research has probed into how international students perceive local teacher L1 use and their learning practices in the English as a lingua franca (ELF) context. To address the gap, the present case study explored a…