schoolmarm

noun [专属名词]（严肃刻板的） 女教师（等于schoolma’am）；装出教师派头的人；女学究；一本正经的女人

Naturally, Wasik is worried about coming off like a scolding schoolmarm, especially because his cure for our Internet-fired ADD is a bit obvious.
自然，韦斯基担心留下指手画脚的老古板印象，特别是他在关于网络引发的注意力缺失紊乱治疗中说教意味有些明显。