heartbreaking day meaning in English

离人节

He had entitled the story " adventure , " and it was the apotheosis of adventure - not of the adventure of the storybooks , but of real adventure , the savage taskmaster , awful of punishment and awful of reward , faithless and whimsical , demanding terrible patience and heartbreaking days and nights of toil , offering the blazing sunlight glory or dark death at the end of thirst and famine or of the long drag and monstrous delirium of rotting fever , through blood and sweat and stinging insects leading up by long chains of petty and ignoble contacts to royal culminations and lordly achievements
信心不足，多次反复要求着可怕的耐性和在辛酸的日夜里的勤劳苦作。面前或是耀眼的灿烂阳光，或是忍饥受渴之后的漆黑的死亡，或是长期高烧，形销骨立，精神严重错乱而死。通过血与汗，蚊叮虫咬，通过一串又一串琐碎平凡的交锋，终于到达了辉煌的结局，取得了壮丽的成就。