sporadically
🇺🇸
/spəˈrædɪkli/
🇬🇧
/spəˈrædɪkli/
happening sometimes but not often or regularly
She attended lectures only sporadically, preferring to study on her own.
그녀는 강의에 가끔 참여했지만, 스스로 공부하는 것을 선호했다.