how to say HELLO in THAI. Sa-Wud-Dee (Kha= sir for women), (Krub = sir for men) = Hello, Hi Ton-Chaw = in the morning. Sa-Wad-Dee + Ton-Chew = Good morning (สวัสดีตอนเช้า) Ton-Bye = at non. Sa-Wad-Dee + Ton-Bye = Good afternoon (สวัสดีตอนบ่าย) Ton- Yen = In the evening Sa-Wad-Dee + Ton - Yen = Good evening (สวัสดีตอนเย็น) Ra -Tee -Sa-Wud= Good night (ราตรีสวัสดิ์) La-Gone = Good bye (ลาก่อน) ****** Thank you for spending your time with my 1st lesson. If you have any question about Thai, Plz tell me. I always be here for helping YOu, Friends*****