a true scholar → truly a scholar

上面的 truly 是修饰名词 a scholar 的定语吗？

一本语法书上写到，副词和形容词存在转化现象，转换结果意义不变。

那我想问一下，这时候的副词例如例句中的 truly 是副词作定语吗？感谢老师的回答。

A:true 主要强调客观上的描述（作定语/表语）

B:truly 主要强调主观看法陈述（作状语）

(1) true  通常用来作定语，后面接名词，侧重于真实的，名副其实的者，因为具有后面名词的一些特点及特征，属于人们认可的。还可以表示事件，故事以及情感是真实的，不是虚构的/虚假的。

This country professes to be a true democracy 

这个国家自称是真正的民主政体。

Maybe one day you'll find true love.  

也许有一天你会找到真爱。

Everything I had heard about him was true.

我听说的关于他的一切都是真实的。

He said it was true that a collision had happened 

他说真的发生了冲突。

(2)truly 通常用来作状语，侧重强调某事具有某事的全部特性及特征，或者某种情况最大程度可能性，还可以表示程度非常，以及强调某种情况确实如此。

a truly democratic system. 

真正民主的制度

Not all doctors truly understand the reproductive cycle  

并非所有的医生都真正了解生殖周期。

I truly never minded caring for Rusty 

我真的从不介意照顾拉斯蒂。

 I do not expect a war between my country and yours. Truly I do not.  

我不希望你我两国之间爆发战争。真的不希望。

a truly splendid man. 

非常优秀的人

They were truly appalling.  

他们非常令人震惊。

(1)truly  adv. 真正；精确地，正确地；忠实的，诚实地；正当地 

He is a truly good man.
他是个真正的好人。

You must speak truly.
你必须说实话。

I am truly grateful for all your help.
我实在感谢你的帮助。

It is truly hot.今天真热。

There was a truly beautiful view from the window.窗外景观确实美极了。

The performance truly exalted the audience.
演出确使观众情绪高昂。

She didn't let anyone know what she truly felt.
她不让别人知道她的真实感情。

The birth of a baby is truly a blessed event.
生个孩子真是喜事。

He knew he had behaved badly and he seemed truly sorry.
他知道自己表现不好，所以确实显得懊悔。

Mary is truly a homespun girl from the country.
玛丽实实在在是一位来自乡村的朴实的女孩。

(2)true  adj. 真正的；真实的；忠实的；正确的

She gave the true account of what had happened.

她如实地讲述了发生的事情。

On what grounds do you say that is true?
你根据什么说那是真的?

We both thought that he had given a true judgement.
我们都认为他给出了正确的判断。

He was true to his word.
他信守诺言。

This is a true report of what happened.
这是所发生事情的真实报道。

I didn't realize the true seriousness of the country's problems until I went there myself.
我亲自到了那里之后才体会到这个国家各种问题的实际严重性。

Her true motives only emerged later.
她的真实动机是后来才显露的。

True gentleman is above envy, jealousy or vindictiveness.
真君子是坦荡而无妒忌、猜疑或报复之心的。

True wealth does not consist in what we have but in what we are.
真正的财富不在于我们拥有什么,而在于我们自身的价值。

True friendship should last for ever.
真正的友谊应永恒不渝。

The frog is not a true reptile.
青蛙并非真正的爬行动物。

He has been my true friend for many years.
他是我多年的忠实朋友。

I think the painter has produced a very true likeness.
我认为这位画家画得非常逼真。

The whale is a true mammal, even though it may look like a fish.
鲸鱼是典型的哺乳动物,尽管它看上去像鱼。