Once Started Off的意思|示意

一旦开始 The only way one can be turned into a vampire is to be drained out of blood, with not even one drop left, like a living corpse. And the master knew well of his servants, they were not very decent self-controllers, once started off, they would not stop until there isn't a single drop of blood left to suck. Therefore, he was wise to forbid regular huntings on humans. Well, for one exception, unless for the benefit of his own.