dastard

1. "Oh, dastard hand," Peter said, and he raised the arrow to use it as a dagger.
   啊，卑怯的手啊！彼得说，他举起箭，把它当做一把剑。
2. "Yes, you pitiful dastard," retorted the lovely damsel.
   “是的，你这个卑鄙的胆小鬼，”那位美丽的少女反唇相讥。

noun

1. a despicable coward