really

Compared meaning: really, used to add emphasis (adverb).

比较义项：表示“确实、真的”，用于加强语气（副词）。

• really 本词

  The most common, everyday intensifier; used casually to strengthen adjectives, verbs, or whole statements, and common even in questions and negative sentences.

  最常见、最口语化的强调词，用来加强形容词、动词或整句话的语气，日常口语中随处可见，也常用于否定句和疑问句。

  That new pizza place is really good; you should try it sometime.

  那家新披萨店真的很好吃，你应该找时间去试试。

• truly

  More formal and heartfelt than really; typically modifies verbs of belief, feeling, or gratitude, and stresses sincere conviction rather than casual emphasis; rare in negatives or questions.

  truly比really更正式、更真挚，常修饰表示信念、情感或感激的动词，强调发自内心的诚恳，而不是随口的加强语气；较少用在否定句或疑问句中。

  We are truly grateful for everyone who helped after the storm.

  对于风暴过后帮助过我们的每一个人，我们由衷地感激。

Really and truly both add emphasis, meaning 'indeed'. Really is casual and common, strengthening almost any word, even in questions or negatives. Truly is more formal, usually with verbs of belief, feeling, or thanks, showing sincere emotion. The letter-closing 'Yours truly' is not compared here.

really和truly在这个义项中都表示“确实、真的”，用来加强语气，但语气强弱和正式程度不同：really更口语、更随意，几乎可以修饰任何词语，也常见于否定句和疑问句；truly更正式、更书面，常用于表达信念、情感或感激等真挚的心情。另外，truly还有“您忠实的”（Yours truly，书信落款用语）等这里不比较的其他用法。

Compared meaning: used to strengthen an adjective or adverb (adverb).

比较义项：表示程度或语气加强的副词“非常”“真的”（副词）。

• very

  Very is a neutral, purely quantitative degree adverb placed before an adjective or adverb; it cannot modify a verb and carries no sense of contrast with expectation.

  very是中性的纯程度副词，用在形容词或副词前面；它不能修饰动词，也不带有与预期形成对比的意味。

  The soup tastes very spicy for my liking.

  这汤对我来说非常辣。

• really 本词

  Really emphasizes that something is genuinely or surprisingly true, often contrasting with expectation, and it can also modify verbs, unlike very.

  really强调某件事真的如此，甚至带有出乎意料的意味，而且它还可以修饰动词，这一点very做不到。

  That movie was really exciting from start to finish.

  那部电影从头到尾都真的很精彩。

Very and really are often placed before an adjective to make it stronger, and learners often confuse them. Very is a neutral word showing only a strong degree. Really shows something is genuinely or surprisingly true, and, unlike very, can also modify a verb.

very和really都常放在形容词前加强语气，容易被中国学习者混淆；但very是中性的纯程度副词，只表示“程度深”，而really更强调“真的如此”，语气更强，还能修饰动词。此外，really在其他语境中也可单独作感叹词表示惊讶（如“Really？”），此处不作比较。