That woman has the most viperine tongue!(那個女人有最惡毒的舌頭！)

This, however, means nothing. Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.(但是，這沒有什么關系，因為蛇有毒液不是用來對付人的，而是對付它的獵物，諸如鼠類，毒液對這些獵物會立刻起作用。)

Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.(蛇產生毒液不是用來對付人類的，而是用于捕食老鼠耗子之類的獵物的，毒蛇的毒液幾乎能立即毒死這些小動物。)