以下是一些讚揚老師的金句的英文表達：
1. "He/She is an excellent teacher who truly makes a difference in the lives of students."
2. "The teacher's dedication and passion are an inspiration to us all."
3. "He/She goes above and beyond to ensure that students learn and understand the subject matter."
4. "The teacher's enthusiasm and knowledge make the subject matter come alive."
5. "He/She is an exceptional teacher who always goes the extra mile to ensure student success."
6. "The teacher's guidance and encouragement have helped me achieve my goals."
7. "He/She is a role model for dedication and hard work, and we are all lucky to have him/her as our teacher."
8. "The teacher's caring attitude and commitment to student success is truly commendable."
請記住，表達對老師的感激和讚揚是非常重要的，因為這可以增強他們的滿足感，並激勵他們繼續提供高質量的教育。