translation.en: A new male comes into the area and takes over the pride, and, of course, first of all kills all the cubs and possibly some of the females that are defending their cubs.
translation.zh: 一头新来的雄狮会进入到该片领域， 接管整个狮群。 然后，当然，它首先会杀死所有的幼狮， 可能还会杀死一些保护自己幼崽的母狮。