1
profoundly + adjective
用于修饰形容词，强调程度深。
She is profoundly grateful for your help.
她对你 的帮助深表感激。
深深地；非常；极其
先理解核心含义，再看它在真实句子里的用法。
深深地；非常；极其
to a very great degree; extremely or deeply
She is profoundly grateful for your help.
她对你 的帮助深表感激。
深刻地；有意义地。
With depth, meaningfully.
在心理上达到极大深度
to a great depth psychologically
非常；极其；深深地。
Very importantly.
深深地；非常；强烈地。
Deeply; very; strongly or forcefully.
She was profoundly moved by the documentary about endangered species.
关于濒危物种的纪录片深深地打动了她。
The loss of his childhood home profoundly affected his sense of belonging.
失去童年故居深切地影响了他的归属感。
I am profoundly grateful for the support I received from my colleagues.
我深切感谢同事们给予的支持。
用于修饰形容词，强调程度深。
She is profoundly grateful for your help.
她对你 的帮助深表感激。
过去分词常作形容词用，表示状态。
He was profoundly moved by the speech.
他被演讲深深地打动了。
副词置于动词前，强调动作影响的深度。
The experience profoundly changed his outlook.
这次经历深刻地改变了他的看法。
Not this
He was profound affected by the news.
Use this
He was profoundly affected by the news.
副词 `profoundly` 应修饰形容词 `affected`，而 `profound` 是形容词，此处误用了形容词代替副词。修正后使用副词 `profoundly` 正确修饰过去分词 `affected`。
Not this
He spoke profound at the meeting.
Use this
He spoke profoundly at the meeting.
动词 `spoke` 后应接副词 `profoundly` 来修饰动作方式，而 `profound` 是形容词，不能修饰动词。修正后使用副词 `profoundly` 正确描述说话的方式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
深深感激
I am profoundly grateful for your support.
我深深感激你的支持。
深受影响
The community was profoundly affected by the tragedy.
这个社区深受那场悲剧的影响。
非常令人不安
The film's ending was profoundly disturbing.
这部电影的结局非常令人不安。
非常感人
Her speech was profoundly moving.
她的演讲非常感人。
意义深远
This discovery is profoundly significant for science.
这项发现对科学意义深远。
极度悲伤
He felt profoundly sad after hearing the news.
听到这个消息后，他感到极度悲伤。
Use profoundly naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
profoundly = pro (前面) + found (发现) + ly，联想'在前面发现'，意为深切地。
常见场景：formal writing、intellectual discussion、emotional expression 多用于正式或书面语，强调心理或情感上的深度，但在日常口语中也可用于强调程度。
作为程度副词，通常放在所修饰的动词或形容词之前。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.