certain副词形式

certain的副词形式为certainly。certain可作形容词和代词，作为形容词时，中文含义有确实、确定、肯定、无疑、某事、某人等，作为代词时，中文含义为某些；certainly作为certain的副词形式，中文含义有无疑、肯定、当然。

一、certain的中文意思及用法介绍

1、可作形容词，意为确实;确定;肯定;确信;无疑;(不提及细节时用)某事，某人，某种。

例句：She looks certain to win an Oscar.

看来奥斯卡金像奖非她莫属。

If you want to be certain of getting a ticket, book now.

要想有把握买到票，现在就得预订。

Are you absolutely certain about this?

你对这事绝对确信无疑吗？

For certain personal reasons I shall not be able to attend.

由于某种个人原因，我将不能出席。

It was a certain Dr Davis who performed the operation.

是一位叫戴维斯的医生做的手术。

2、还可作代词，意为(不提及人或事物的名称时用)某些。

例句：Certain of those present were unwilling to discuss the matter further.

某些在场的人不愿意进一步讨论这个问题。

二、certainly的中文意思及双语例句

certainly作为副词，意为无疑;确定;肯定;当然;行。

例句：Without treatment, she will almost certainly die.

要是不治疗，她十有八九会死。

Beating the world champions is certainly a big ask for the team.

这个队要打败世界冠军当然难度很大。

The visit to the Far East certainly broadened our horizons.

这次远东之行确实开阔了我们的眼界。

I can certainly feel the effects of too many late nights.

我当然能感受到熬夜太多产生的影响。