tireless
英 ['ta??l?s]
美['ta?rl?s]
- adj. 不知疲倦的；不疲勞的
英英釋意
- 1. showing sustained enthusiastic action with unflagging vitality;
- "an indefatigable advocate of equal rights"
- "a tireless worker"
- "unflagging pursuit of excellence"
- 2. characterized by hard work and perseverance
