Week 1: Greetings, Wai & Politeness Particles
Goal
By the end of this lesson you can walk into a cafe, hotel, market, condo lobby, or coworking space and greet people politely without sounding stiff or rude.
You will learn:
- how to say hello and goodbye naturally
- when a wai is expected, optional, or too formal
- how khrap / kha / ka changes the feeling of your sentence
- how to introduce yourself as a beginner Thai speaker
- how to recover politely when you do not understand
1. Core phrases for day one
| Situation | Thai script | Romanization | Natural English |
|---|---|---|---|
| Hello / goodbye | สวัสดีครับ / ค่ะ | sà-wàt-dii khrap / kha | Hello / goodbye politely |
| Thank you | ขอบคุณครับ / ค่ะ | khàawp-khun khrap / kha | Thank you |
| Excuse me / sorry | ขอโทษครับ / ค่ะ | khǎaw-thôot khrap / kha | Sorry / excuse me |
| No problem | ไม่เป็นไรครับ / ค่ะ | mâi bpen rai khrap / kha | It is okay / no worries |
| I speak a little Thai | ผม/ฉันพูดไทยนิดหน่อย | phǒm/chǎn phûut Thai nít-nòi | I speak a little Thai |
| Please speak slowly | พูดช้าๆ ได้ไหมครับ / คะ | phûut cháa-cháa dâai mái khrap / kha? | Can you speak slowly? |
Teacher note: Do not overload the student with tones first. Make them useful and polite first, then correct one sound at a time.
2. The wai: what foreigners actually need
The wai is not just “Thai handshake.” It shows respect and relationship.
Use a small wai when:
- greeting an older person, teacher, host, or formal service worker
- entering a massage shop, clinic, temple, or official place
- someone wai-s you first and you want to respond politely
Usually no wai needed when:
- ordering at a busy street food stall
- paying a cashier in 7-Eleven
- talking casually with younger staff
- dealing with Grab drivers or delivery riders
Safe beginner rule: smile, say sawasdee khrap/kha, and copy the level of formality from the Thai person.
3. Khrap, kha and ka
| Particle | Common use | Example | Feeling |
|---|---|---|---|
| ครับ khrap | male speaker | ขอบคุณครับ | polite, respectful |
| ค่ะ kha | female speaker statement | ขอบคุณค่ะ | polite statement |
| คะ kha/ka | female speaker question | เท่าไหร่คะ | polite question |
For foreign learners, the big mistake is not pronunciation — it is forgetting the particle in situations where you want to sound warm and respectful.
4. Mini dialogue: condo lobby
Staff: สวัสดีค่ะ
sà-wàt-dii kha
Hello.
Student: สวัสดีครับ ผมพูดไทยนิดหน่อย
sà-wàt-dii khrap, phǒm phûut Thai nít-nòi
Hello. I speak a little Thai.
Staff: ได้ค่ะ
dâai kha
Okay.
Student: พูดช้าๆ ได้ไหมครับ
phûut cháa-cháa dâai mái khrap?
Can you speak slowly?
Staff: ได้ค่ะ ไม่เป็นไรค่ะ
dâai kha, mâi bpen rai kha
Yes, no problem.
5. Pronunciation drills
Repeat each line 5 times. Keep it slow.
- สวัสดีครับ — sà-wàt-dii khrap
- สวัสดีค่ะ — sà-wàt-dii kha
- ขอบคุณครับ — khàawp-khun khrap
- ขอโทษครับ — khǎaw-thôot khrap
- ไม่เป็นไรครับ — mâi bpen rai khrap
6. Real-life mission
Before the next lesson, do these three things in Chiang Mai or online:
- Say sawasdee khrap/kha to one service worker.
- Say khàawp-khun khrap/kha after paying.
- Send your teacher a voice note with these three phrases.
7. Quick self-check
Can you answer these?
- What phrase means “I speak a little Thai”?
- When is a wai not necessary?
- What should you say when someone speaks too fast?