Do use “ka” and “krab” – If you are a woman, it is appropriate to end sentences or greetings with “ka.” For example, “sawasdee” is hello in Thai…as a woman, you would say “sawasdee ka.” If you are a man, your sentences should end with “krab,” so “sawasdee krab” is a proper hello.
คุณเหนื่อยไหมครับ/คะ
You can drop the “Khun” (meaning “you”) if you like. Most Thai people will do the same, and simply say “Nuai mai khrub/ka”.
ขอโทษ (khǎaw-thôot) — “Sorry” in Thai translates to this word, and this is the main word for “sorry” in Thailand. You can use this word in every situation, both formal and informal. Make sure you remember this word well.
The wai gesture originated in Buddhism and has similar origins as namaste in Hinduism. It was basically a yogic posture of the palms and signifies the equal meeting of the two palms. It means that the other party is treated as an equal human being.
Sawadee krap/ka: Hello
A cheery greeting can go a long way in the Land of Smiles. Sawadee krap/ka will often be met with a huge grin! You can use the same phrase to bid someone goodbye too.
Wai is a Thai etiquette in greeting and honouring each other. It expresses the meaning of greeting, thanking, apologizing to someone or saying goodbye. By pressing the hands together in front of the chest with fingers pointing upward and head slightly bowed forward.
Sawasdee Pee Mai! That's how you say Happy New. Year in Thai!
หวานใจ (wǎan jai) - “sweetheart” You can also call someone your “sweetheart” in Thai using หวานใจ.
Thai Wai. The Thai greeting called Wai includes a slight bow, with arms pressed together as done while praying. This traditional Thai greeting looks the same as an Indian 'Namaste'. Thai people mostly perform a Wai when they say khop khun (thank you), or Sawasdee (hello).
2- ขอบคุณครับ Khàawp-khun khráp and ขอบคุณค่ะ khàawp-khun khâ. For women, we add khâ. And for men, we add khráp. That means that when a woman says “thank you,” she says khàawp-khun khâ.
These two particles are gender specific - male and female. This means if you're male, you end your sentences with ครับ khráp. If you're female, you end your sentences with ค่ะ khà.
Thais traditionally greet each other with a gesture called a Wai (ไหว้), similar to an Indian Namaste.
Pointing at another person with one's index finger or feet is considered rude. The soles of one's feet should never be pointed at another person. One should sit in a way that avoids this. Feet should also not be rested on tables or pillows that people sleep on.
Khrap and Kha
Depending on the gender of the speaker (men say khrap; women say kha), they are added to the end of a statement to indicate respect. Khrap and kha are also used standalone to indicate agreement, comprehension, or acknowledgement.
Thai women end sentences with “ka” while Thai men use “krub” as dictated by social etiquette. What's surprising is that many Thais still feel the need to say “ka” or “krub” even when they are not speaking or writing in Thai. “In Thai 'krub' and 'ka' are polite particles added to the end of a sentence.
SABAI DEE MAI? This is a phrase that is used to ask “How are you?” In casual situations, it can be a greeting similar to “What's up?” The response is easy.
Although the Thai language isn't considered to be one of the easiest languages to learn for English speakers, that doesn't mean it's impossible. Many aspects make Thai a difficult language to learn, but if you are dedicated and you practice daily, it can also be really easy.