소질이 · 소질을
natural gift, aptitude, knack
Example
저는 요리에 소질이 없는 것 같아요.
I don't think I have a knack for cooking.
Word parts
소 plain, basic+질 quality
Literally 'basic quality' — what you're born with.
Good to know
Often used modestly: 소질이 없어요 'I'm not cut out for it'.
Related words