sporadically
🇺🇸
/spəˈrædɪkli/
🇬🇧
/spəˈrædɪkli/
adverb
R
happening sometimes but not often or regularly
She attended lectures only sporadically, preferring to study on her own.
彼女はたまにしか講座に参加せず、独学を好んだ。
translation
時折