adv. 无疑;当然;确定;肯定;
💡 certain确实的+ly副词后缀,…地 → 确实地,一定地,当然地
"I shall certainly keep a beady eye on his behaviour."
我一定会时刻睁大眼睛提防他的行为。
近义:indeed, indubitably, inevitably, infallibly, assuredly, absolutely
反义:hesitatingly, hesitatively, indecisively, arguably, tentatively, wonderingly
adj. 真正的;坦率的,真诚的;血统纯粹的,纯种的;[医学]真性的;
💡 genu=genus出生,产生+ine...的→来源清楚→真正的
"Is the painting a genuine Picasso?"
这幅画是毕加索的真迹吗?
近义:lawful, legal, legit, legitimate, original, authentic
反义:illegitimate, imitation, artificial, mock, phoney, phony