for some time (しばらくの間): She has been studying English for some time. (彼女はしばらくの間英語を勉強しています) - 試験に出る! 英単語検索辞書

for some time (しばらくの間): She has been studying English for some time. (彼女はしばらくの間英語を勉強しています)

She has been studying English for some time.