大便疼痛

例句：

1. 1. She was in pain from her stomachaches and diarrhea.
   她因为胃痛和腹泻而痛苦。
2. 2. The patient had to endure the discomfort of constipation for several days.
   病人不得不忍受便秘的不适持续了几天。
3. 3. He felt a sharp pain in his lower abdomen, which he thought might be due to constipation.
   他感到下腹部有一阵剧痛，他认为可能是便秘引起的。