fitfully
🇺🇸
/ˈfɪtfəli/
🇬🇧
/ˈfɪtfəli/
in a way that is not steady or regular, with interruptions
He slept fitfully throughout the night, waking up every few hours.
他整夜睡得很不安稳,每隔几个小时就醒来一次。