当然的英语是of course。
例句:That was 40 years ago, but of course you wouldn't remember it.
翻译:那是40年以前的事,你自然想不起来了。
短语:in the course of nature 通常
近义词
certainly
英 ['sɜːtnli] 美 ['sɜːrtnli]
adv. 当然;一定
I'll certainly be most discreet in my conversation.
我在谈话中当然会十分小心的。