qualm
noun /kwɑːm/, /kwɔːm/
/kwɑːm/, /kwɔːm/
[usually plural]- qualm (about something) a feeling of doubt or worry about whether what you are doing is right
（对自己行为的）顾虑，不安 - He had been working very hard so he had no qualms about taking a few days off.
他一直辛勤工作，所以休息几天他觉得心安理得。 - She left her husband and children without a qualm.
她毫无顾忌地离开了丈夫和孩子。
词源early 16th cent. (in the sense ‘momentary sick feeling’): perhaps related to Old English cw(e)alm ‘pain’, of Germanic origin. - He had been working very hard so he had no qualms about taking a few days off.