socalled (いわゆる): He is a so-called expert in his field. (彼はいわゆるその分野の専門家です) - 試験に出る! 英単語検索辞書

socalled (いわゆる): He is a so-called expert in his field. (彼はいわゆるその分野の専門家です)

He is a so-called expert in his field.