certainly [ˈsɜ:tnli]

以下由轻松背单词网站提供

adv.当然，无疑；一定，肯定，必定

used to reply completely or to emphasize something and show that there is no doubt about it

He is certainly a hero! 他无疑是个英雄！
Some people certainly think so. 有些人肯定会这么认为。