B2 · 中上級 チャプター 40

Formal Register and Royal Language

4 トータルルール
18 例文
1 分
このチャプターのルール クイック練習

Chapter in 30 Seconds

Master the nuanced art of Thai social hierarchy through royal vocabulary and professional register.

  • Distinguish between colloquial and royal vocabulary.
  • Apply formal business register in professional correspondence.
  • Integrate politeness particles to signal social respect.
Elevate your Thai: Command respect through proper register.

学べること

Introduction to 'Rachasap' (Royal language) and formal business register. Understanding social hierarchy in language.

  • 王室用語 (Rachasap): 王室の方々への話し方
    Royal vocabulary (Rachasap) is a specialized register for royalty, not for everyday Thai communication.
  • ...
    Using khrap and kha acts as a social lubricant that shows respect and establishes a polite tone in any conversation.
  • タイ語の丁寧語
    Adding 'krap' or 'ka' to the end of your sentences is the easiest way to sound respectful in Thai.

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: Use Rachasap correctly when discussing royal subjects.
  2. 2
    By the end you will be able to: Draft a formal business email using appropriate honorifics.

重要な例文 (6)

1

Khun kin khao reu yang?

Have you eaten yet?

王室用語 (Rachasap): 王室の方々への話し方
2

Phra ong sawoei phra krayahan.

The King is eating a meal.

王室用語 (Rachasap): 王室の方々への話し方
3

Hello (Male).

Hello.

...
4

Have you eaten yet? (Female)

Have you eaten?

...
5

Have you eaten yet?

Have you eaten yet? (Male speaker)

タイ語の丁寧語
6

Thank you.

Thank you. (Female speaker)

タイ語の丁寧語

ヒントとコツ (4)

💬

Context is King

Only use these terms in formal, royal-related contexts to avoid sounding disrespectful or confusing.
frontend.learn_grammar.from_rule: 王室用語 (Rachasap): 王室の方々への話し方
🎯

The 'Than' Rule

When in doubt, use 'Than' for anyone who looks older or higher-ranked than you. It's better to be too formal than too casual.
frontend.learn_grammar.from_rule: Formal Business Language
💬

Tone Matters

The tone of kha changes based on whether you are asking a question or making a statement.
frontend.learn_grammar.from_rule: ...
💡

Listen to the tone

The high tone 'ka' (question) sounds like a question in English.
frontend.learn_grammar.from_rule: タイ語の丁寧語

重要な語彙 (5)

เสวย to eat (royal) ทราบ to know (formal) ครับ polite particle (male) ค่ะ polite particle (female) ประทาน to give (royal)

Real-World Preview

building

Formal Meeting

Review Summary

  • Royal Verb + Context
  • Formal Subject + Verb + Object
  • Sentence + khrap/kha
  • Sentence + Polite Particle

よくある間違い

Using common verbs for royalty is disrespectful. Always check the register.

Wrong: กิน (eat) when talking to royalty
正解: เสวย (eat - royal)

Thai business writing requires politeness particles to maintain status.

Wrong: Forgetting particles in emails
正解: Adding ค่ะ/ครับ at the end

Choosing the correct verb level is crucial for professional credibility.

Wrong: Using casual 'รู้' in a formal speech
正解: Using 'ทราบ' (to know - formal)

Next Steps

You have done an excellent job navigating the complexities of Thai social register. Keep practicing, and your communication will be truly elegant.

Write a formal letter to a hypothetical boss

Continue to: Advanced Syntax and Word Order

クイック練習 (8)

Fill in the blank for a male speaker.

Sawadee _____.

✓ Correct! ✗ Not quite. Correct answer: khrap
Male speakers use khrap for politeness.

frontend.learn_grammar.from_rule: ...

Fix the verb

Find and fix the mistake:

Phra ong non (sleep).

✓ Correct! ✗ Not quite. Correct answer: Phra ong banthom.
banthom is the correct royal verb for sleeping.

frontend.learn_grammar.from_rule: 王室用語 (Rachasap): 王室の方々への話し方

Choose the most appropriate formal verb for 'to eat' in a business lunch.

ท่านต้องการ ___ อะไรดีครับ

✓ Correct! ✗ Not quite. Correct answer: รับประทาน
'Rappratan' is the highest formal register for eating.

frontend.learn_grammar.from_rule: Formal Business Language

Fill in the formal pronoun for a female speaker.

___ มีความประสงค์จะขออนุมัติโครงการค่ะ

✓ Correct! ✗ Not quite. Correct answer: ดิฉัน
'Dichan' is the standard formal first-person pronoun for females in business.

frontend.learn_grammar.from_rule: Formal Business Language

Which verb should be used for a royal eating?

Choose the correct verb:

✓ Correct! ✗ Not quite. Correct answer: sawoei
sawoei is the specific royal term for eating.

frontend.learn_grammar.from_rule: 王室用語 (Rachasap): 王室の方々への話し方

Which sentence is correct for a female speaker?

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: ฉันหิวค่ะ
Females use 'ka' for statements.

frontend.learn_grammar.from_rule: タイ語の丁寧語

Find the error in this formal email opening.

Find and fix the mistake:

สวัสดี ท่านผู้อำนวยการ

✓ Correct! ✗ Not quite. Correct answer: สวัสดี
Formal emails should start with 'Rian' (เรียน), not 'Sawatdee'.

frontend.learn_grammar.from_rule: Formal Business Language

Fill in the blank for a male speaker.

ผมชอบกินก๋วยเตี๋ยว ___

✓ Correct! ✗ Not quite. Correct answer: ครับ
Males use 'krap' to end sentences.

frontend.learn_grammar.from_rule: タイ語の丁寧語

Score: /8

よくある質問 (6)

It is a specialized vocabulary register used exclusively for the Thai royal family and high-ranking monks.
No, absolutely not. Using it with friends would sound incredibly strange and potentially sarcastic.
It depends on the company culture. In modern startups, Khun is fine. In traditional Thai companies or government offices, use Than or their job title.
In formal Thai, คะ (high tone) is for questions, while ค่ะ (falling tone) is for statements or answers. Mixing them up sounds uneducated.
They are technically optional, but socially expected in almost all adult interactions.
It is the standard way to show respect in Thai culture.
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Advanced Syntax and Word Order
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