This is the time for intestinal fortitude and determination.现在正是需要勇气和决心的时候。They accused him of lacking intestinal fortitude. 他们指责他缺乏胆识。The fact that he's still trying for the championship is a tribute to his intestinal fortitude.他仍在为争夺冠军而努力，这说明他勇敢顽强，意志坚韧。