- 1. 不疲倦的；不屈不撓的[Z]
His enthusiasm seems untiring. 他的熱情似乎從不減退。
Thanks for the teacher’s untiring teaching to XX，I will do my best to exhort and...
... time you’ll be better! 如果不錯，你可以說↓Make untiring efforts.Make additional efforts.Continue to exert...
... is that the only method is too --Diligent and untiring, frustrate the braver! => Would you like to reach your peak...