adj.不知疲倦的;不屈不挠的
The indefatigable bell now sounded for the fourth time. 那不知疲倦的钟声如今敲第四遍了。
He was indefatigable in his lectures on the aesthetics of love. 在讲授关于爱情的美学时,他是不知疲倦的。
Encouraged by this discovery, Edmond determined to assist the indefatigable laborer. 在这个发现的鼓舞之下,爱德蒙决心要帮助那个不屈不挠的劳动者。