大熊简单明了
当然的英语of course，certainly，sure，no doubt，assuredly。
具体运用：
of course
Of course there were lots of other interesting things at the exhibition.
当然，展览上还有很多其他有趣的展品。
certainly
The public is certainly getting tired of hearing about it.
关于此事，公众当然已经听腻了。
sure
He'd never been in a class before and he was not even sure that he should have been teaching.
他以前从未教过课，甚至不确定自己该不该教课。
no doubt
No doubt I had blundered again.
无疑，我又犯了一个愚蠢的错误。
assuredly
He is, assuredly, not alone in believing they will win.
毫无疑问，不止他一个人认为他们会赢。
哈啰辉辉
「当然」的英语of course 当然, 固然, 理所当然, 本来certainly 当然, 一定, 无疑, 的确, 定然, 自sure 当然be sure 当然no doubt 无疑, 固然, 当然, 诚然, 毫无疑问assuredly 无疑, 当然without a doubt无疑, 当然, 诚然, 固然, 毫无疑问
waterimilan
当然的英文：ofcourse，英[ovko:s]美[evko:rs]。
certainly.adv.无疑；确定地；没错；的确；确实；无可否认；确实如此surelyadv.确定无疑；确定；毫无疑问；当然ofcourse当然，tobesure（承认属实）诚然，固然，无可否认withoutdoubt毋庸置疑地。应当这样。《东观汉记·邓弘传》：“奴醉击长寿亭长，亭长将诣第白之，弘即见亭长，赏钱五千，励之曰：‘直健当然。’”宋苏轼《司马温公行状》：“每论事必以人物为先，凡所进退，皆天下所谓当然者。”《清史稿·时宪志一》：“是则中历所言者当然之运，而西历所推者其所以然之理。”吕剧《李二嫂改嫁》第二场：“从今别说客气话，互相帮助理当然。”表示肯定，强调合于事理或情理，没有疑问。>
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