Idioms are highly conventionalized expressions that allow users to express beyond literal meanings. Despite the language difference, counterparts of idioms may overlap cross-culturally due to similar origin, social habits, and experiences. It is therefore interesting to probe whether L2 learners may benefit from deliberate instructions built on…

Currently, a relatively large number of spoken and written conventionalized expressions have been collected, catalogued, and systematized. In language pedagogy, a clear implication is that teaching grammar and vocabulary is likely to be more complicated than working with syntactic rules and single-word items. Old and new insights associated with…

Based on Robinson's (2005) Cognition Hypothesis and Skehan and Foster's (2001) Limited Attentional Capacity Model, the current study attempted to investigate the effect of manipulating task complexity on argumentative writing quality in terms of lexical complexity, fluency, grammatical accuracy, and syntactic complexity. Task complexity was…