“…Firstly, the recent concept of the OELL program allowed the students not only to experience less significant development of English language skills (Bolster et al, 2004), but also mental health disorders, for example, losing learning concentration and interest (Lau & Lee, 2020;Zhang et al, 2020), feeling in isolation (Dashtestani, 2020), being indiscipline, dishonest, rebellious to and dependent on their parents and other family members (Cairns et al, 2019). These incidents could potentially be caused by teachers' lack of skills to integrate technology into EFL learning (Taghizadeh & Hasani Yourdshahi, 2019), students' lack of exposure to the target language and the students' mental unpreparedness to participate in the program, in addition to being affected by the existing poor learning environment, and the absence of social interaction physically involved the students into free play and outdoor activities as they usually had in the offline learning (Dong et al, 2020;Erdogan et al, 2019).…”