n.[C]

1. 【動】奎蛇；毒蛇
   He unwarily trod upon a viper asleep just before his feet.

   他不小心踩到正睡在他腳前的蛇上。

2. 陰險惡毒的人，奸詐者
   The villagers avoided him because of his association with the villains and vipers.

   因為他與壞蛋和奸詐者有交往，村民們都避諱他。

n.

1. a venomous snake with large hinged fangs, typically with dark patterns on a lighter background. [Vipera berus (the adder) and other species, family Viperidae.]
2. a spiteful or treacherous person.