certainly
adv
1 without doubt; definitely 无疑地; 确定地
He will certainly die if you don´t call a doctor. 你不请大夫来, 他就得死了. Cf 参看 surely.
2 (used in answer to questions 用於回答问题) of course 当然
`May I borrow your pen for a moment?´ `Certainly.´ `我可以借用一下你的钢笔吗?' `当然可以.'
`Do you consider yourself a rude person?´ `Certainly not!´ `你认为你是个粗鲁的人吗?'`当然不是!'