Definition

Adverb: - Truly [so], really [so]: Used to confirm or strongly agree with a preceding statement, emphasizing that something is indeed true or correct. It functions as a confirmatory remark.

Usage

• Position in Sentence: Typically used at the beginning of a confirming clause or as a standalone response.
• Function: It affirms or acknowledges the truth of what was just said. It is often equivalent to "indeed," "that's right," or "truly so."

Usage Examples

• As a confirmatory response:

  • A: "Bài toán này khó quá." B: "Quả vậy." (A: "This math problem is so difficult." B: "Indeed it is.")
  • "Anh ấy là một người rất tử tế." – "Quả vậy." ("He is a very kind person." – "Truly so.")

• Within a sentence to affirm:

  • Cô ấy nói trời sẽ mưa, và quả vậy, mưa bắt đầu rơi ngay sau đó. (She said it would rain, and indeed, the rain started falling right after.)
  • Nhiều người dự đoán đội nhà sẽ thua, và quả vậy, họ đã thua. (Many predicted the home team would lose, and truly so, they did lose.)

Advanced Usage

• "Quả thật vậy": A slightly more emphatic variant with the same core meaning.
  • "Quả thật vậy, không ai có thể phủ nhận điều đó." (Indeed, no one can deny that.)

Variants and Related Words

• Quả thật (adv): Indeed, truly. Often used interchangeably with "quả vậy" but can start a sentence more independently.
  • Quả thật, đây là một bất ngờ lớn. (Truly, this is a big surprise.)
• Đúng vậy (phrase): That's right/correct. A more common and direct way to express agreement.
• Thật vậy (phrase): It's true/Really so. Similar in function.

Synonyms

• Thật thế: Really so.
• Đúng như thế: Exactly like that.
• Quả thực: Truly, indeed.

Notes on Meaning

• Confirmatory Adverb: "Quả vậy" is not used to describe a noun or verb directly. Its primary role is to comment on and confirm the validity of a whole idea or statement.
• Formality: It carries a slightly formal or literary tone. In everyday casual conversation, "đúng vậy" or "thật vậy" are more frequently used.

1. Truly [so], really [so]