名詞 viper:

1. venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw

1. He unwarily tread upon a viper asleep just before his feet.
   他不小心踩到正睡在他腳前的蛇上。
2. Be careful of that viper; he is dangerous.
   小心那個陰險的人，他很危險。

vi.per

n.（名詞）
Any of several venomous Old World snakes of the family Viperidae, having a single pair of long, hollow fangs and a thick, heavy body.Also called adder 2
蝰蛇：東半球響尾蛇科毒蛇之一，有一對長且空心的毒牙和厚重的身體也作 adder2
A pit viper.
響尾蛇科毒蛇
A venomous or supposedly venomous snake.
毒蛇：有毒或被認是有毒的蛇
A person regarded as malicious or treacherous.
奸詐者：被認為是陰險或狡詐的人

來源：
Middle English vipere
中古英語 vipere
from Old French
源自 古法語
from Latin vopera [snake]
源自 拉丁語 vopera [蛇]
contraction of *vovipera
*vovipera的縮寫
vovus [alive] * see g wei-
vovus [活著] *參見 g wei-
parere [to give birth] * see pera-
parere [出生] *參見 pera-