Example Sentences:

Ramayana:  Knowing that a night attack was not beyond the dastardly Ravana, Rama and several of his journals kept a night-long vigil throughout the entire duration of the war.

Mahabharata:  Kripacharya told Ashvattama that his plan to attack sleeping warriors was too dastardly to even consider, leave alone act on.

Bhagavad-gita:  Nothing is too dastardly for those demoniac people who have decided that worldly pleasure is life’s foremost purpose.