I have loose stomach. 我拉肚子。I have loose bowels. 我拉肚子（腹泻）。Shortly after we crossed the Huaihe River, many of them suffered from diarrhoea. 果然一过淮河，好多人拉肚子。I still have the runs. I do not think I shall eat anything today. 我还在拉肚子，今天不要吃东西比较好吧。I have diarrhea. I wonder if I ate something bad yesterday. 我拉肚子，我怀疑是否昨天吃了不新鲜的东西。
