adv. 無(wú)疑;當(dāng)然;確定;肯定;
?? certain確實(shí)的+ly副詞后綴,…地 → 確實(shí)地,一定地,當(dāng)然地
"I shall certainly keep a beady eye on his behaviour."
我一定會(huì)時(shí)刻睜大眼睛提防他的行為。
近義:indeed, indubitably, inevitably, infallibly, assuredly, absolutely
反義:hesitatingly, hesitatively, indecisively, arguably, tentatively, wonderingly