certainly怎么读

certainly

英 ['s?tnli] 　

美 ['s?rtnli] 　

adv.当然；一定

用作副词 (adv.)

You are certainly a talented artist.

你当然是位有天赋的艺术家。

I'll certainly be most discreet in my conversation.

我在谈话中当然会十分小心的。