At the last it biteth like a serpent, And stingeth like an adder.
At the last it bites like a serpent and stings like an adder.
In the end, it bites like a snake and poisons like a viper.
but in the end, it will bite like a snake, and it will spread poison like a king of snakes.
But in the end, it will bite like a snake, and will spread abroad poison like a basilisk.