scruple
noun /ˈskruːpl/
/ˈskruːpl/
[countable, usually plural, uncountable]- a feeling that prevents you from doing something that you think may be morally wrong
（道德上的）顾忌，顾虑 - I overcame my moral scruples.
我抛开了道德方面的顾虑。 - He had no scruples about spying on her.
他肆无忌惮地暗中盯着她。 - She is totally without scruple.
她完全无所顾忌。
词源late Middle English: from French scrupule or Latin scrupulus, from scrupus, literally ‘rough pebble’, (figuratively) ‘anxiety’. - I overcame my moral scruples.