英语翻译TThe first time he had been sent beyond,allthe old stories had come rushing back,and his bowels had turned to water.其中 his bowels had turned to water该怎么翻译?直译没法理解啊

英语翻译
TThe first time he had been sent beyond,all
the old stories had come rushing back,and his bowels had turned to water.
其中 his bowels had turned to water该怎么翻译?直译没法理解啊