英 [ˈsɜːt(ə)nli] 美 [ˈsɜːrt(ə)nli]
adv. 无疑，确定；当然，行（用于回答）
certainly /ˈsɜːtənlɪ/ CET4 TEM4
副词 You use certainly to emphasize what you are saying when you are making a statement. 的确; 无疑地
The public is certainly getting tired of hearing about it.
公众无疑厌倦了听这方面的事。
The bombs are almost certainly part of a much bigger conspiracy.
几乎可以确定这些炸弹是一个更大阴谋的一部分。
副词 You use certainly when you are agreeing with what someone has said. 当然
"In any case you remained friends."—"Certainly."
“不管怎样，你们还是朋友。”—“那当然。”
副词 You say certainly not to say "no" in a strong way. 当然不
"Perhaps it would be better if I withdrew altogether."—"Certainly not!"
“我完全退出的话情况或许会好些。” — “当然不是。”
definitely or positively (`sure' is sometimes used informally for `surely')
she certainly is a hard worker
同义词： surely / sure / for sure / for certain / sure enough / sure as shooting
... compare v. 比较(相同之处) certainly adv. 当然,无疑 chance n. (幸运或偶然),机会by~ 偶然/意外地 ...
也谈《论语》中的“必” 关键词： “必” ;一定; 如果 [gap=3672]Key Words： bi;certainly;if
... plastic塑料；塑制的 certainly确实地；无疑地 proud自豪的；骄傲的 ...
当然；行（用于回答）；必定
surely / definitely / ok
I certainly don't deal drugs.
我当然不做毒品生意。
She certainly knows what's what.
她当然知道轻重缓急。
I'm certainly not scared of him.
我当然不怕他。
"As a former prosecutor, commercial litigator, district court judge and appellate judge, she certainly brings a wealth of unique experience."
VOA : special.2009.07.18
Methane, there are certainly some solid bonds there, but breaking those to form CO2 and water, well it's worth it, right, energetically.
酒精中的确含有很强的化学键，但是打断这些化学键然后生成二氧化碳和水，从能量上来看是值得的。
热力学与动力学课程节选 : 麻省理工公开课
But I certainly won't stop them from seeking plastic surgery if that makes them feel better about themselves.
但是如果整容可以让他们自我感觉更良好，我当然不会阻止他们接受整容手术。
SpeakingMax英语口语达人 : 整容是个人自由
But we certainly didn't have goals. I don't know if we had ever heard of Grammys at that point.
VOA : special.2010.04.19
If we had good boards, I think they could certainly do a better job of that than the government can."
VOA : special.2009.10.30
Certainly the international community has responsibilities and I think we have lived up to our responsibilities.
But Professor of Government Stephen Haseler certainly won't be holding his tongue this time around.
Hooking a local tarpon or barracuda can certainly add an unexpectedly powerful element of propulsion.