Teacher identity is an emerging subject of research interest in the field of teacher education and teacher development. Teacher identity, as an ongoing, shifting and dynamic process, is complex and multi-faceted. As a result, teachers' perceptions of their identity vary from different perspectives and endure a changing process with the accumulation of their teaching experiences. The changing process is in fact the process of the construction of how they perceive themselves - their identities. This study employs three EFL teachers with different lengths of teaching experiences as cases....