n.

1. 顾虑，顾忌，良心上的不安[C][P1]
   She had no scruples; she would do whatever she wanted to.

   她是一个毫无顾忌的人；她想要做什么就做什么。

2. 吩（英美药量单位，约1.3克）[C]
3. 【古】微量

vi.

1. （常用于否定句）有顾虑，感到于心不安[+to-v]
   He wouldn't scruple to charge you double its value if he thought you'd pay.

   如果他认为你肯付的话，他会毫无顾忌地向你索要双倍价钱。

vt.

1. 对……有顾虑，对……感到于心不安

n.

1. a feeling of doubt or hesitation with regard to the morality or propriety of an action.
2. historical a unit of weight equal to 20 grains used by apothecaries.
   ▸archaic a very small amount.

v.