qualm
US
UK qualm n: usually plural (feeling of conscience)
SC 良心不安 liáng xīn bù ān
SC 内疚 liáng xīn bù ān，nèi jiù
SC 愧疚
I don't have the slightest qualm about not inviting him.
qualm n: usually plural (doubt, misgiving)
SC 疑虑 yí lǜ
SC 担忧 yí lǜ，dān yōu
Regardless of the impact, I do not have a single qualm about submitting this report.
qualm n: archaic (feeling of nausea)
SC 一阵恶心 yí zhèn ě xīn
TC 一陣噁心
TC 一陣噁心
Most passengers on the voyage experienced qualms at first.