scruple

名词 scruple:

1. a unit of apothecary weight equal to 20 grains
2. uneasiness about the fitness of an action
   同义词：qualm, misgiving
3. an ethical or moral principle that inhibits action

动词 scruple:

1. hesitate on moral grounds
2. raise scruples
3. have doubts about

1. He wouldn't scruple to charge you double its value if he thought you'd pay.
   如果他认为你买得起的话，就会向你索取两倍于原价的钱。
2. He has absolutely no scruples; he'll do anything to get what he wants.
   他没有一点点顾忌，为了得到自己想要的东西，他什么事都做得出来。