"Thank you, teacher" can be expressed in Engpsh as "Thank you, [Name of the teacher]" or simply "Thank you". It is a popte expression of gratitude used to show appreciation for someone's help or advice.

Its origin can be traced back to the Engpsh language's history of using formal and popte forms of address in social interactions. The use of "thank you" as a popte expression of gratitude has been a common practice for centuries, and is still widely used today in many cultures around the world.

Example sentences in Engpsh with Chinese translation:

"Thank you, teacher, for your guidance." 老师，谢谢你的指导。
"I just wanted to say thank you for your support." 我只是想说谢谢你的支持。
"Thanks again for your help, teacher." 再次感谢您的帮助，老师。