Core Points - The article highlights the dedication of foreign professors at Tongji University in learning Chinese and engaging with students, showcasing their commitment to cultural exchange and education [1][2][3][4][5] Group 1: Professor's Commitment - Professor Lang, despite his busy schedule and long commute, consistently attends Chinese language classes and actively participates in learning [1] - He demonstrates a proactive approach by suggesting alternative class locations when scheduling conflicts arise, emphasizing his enthusiasm for learning [1] - Lang's efforts in learning Chinese are evident as he practices writing and engages with students, achieving a high score in the course [2] Group 2: Student Engagement - Professor Siwen, who also teaches law, approaches his Chinese language studies with a student-like attitude, participating fully in class activities and discussions [3] - He contributes unique perspectives during discussions, drawing on his legal expertise to enrich the learning experience [3][4] - Siwen's commitment to completing assignments despite scheduling conflicts illustrates his dedication to mastering the language [5]