Undecided questions
how to say "hallo" in Thai ????

sa wad dee ka ( use for woman )
sa wad dee krub ( use for man )

slamat pagi :)　

sa wad dee kha (Female)
sa wad dee krab(Male)

kh= "c" in cup
kha end is indicated girl speaker, and you can end with almost every sentences in your normal speak.
krab, is for male speaker.