Basic words in Thai

English	Pronounciation
Thank you	Khob khun, Khob chai ( use to the younger person)
Thank you very much.	Khob khun maak
You are welcome.	Mai pen rai *
Please	Ka ru na ( formal)
Please (as an invitation)	Chern
Please come in.	Chern Khow ma
Mak yourself comfortable, please.	Chern tam sabai
I beg your pardon.	Khaw aphai (formal) , Khor thod
I'm sorry, please excuse me.	Prathan thod (formal), Khor thod
I am very sorry.	Phom sia Jai maak
That's too bad.	Yae mak, Yae ching
Take care.	Rak Sa Tour
Excuse me for troubling you.	Khor thod tee rob kuan
Can I help you?	Phom chuay arai dai mai?
I don't mind.	Phom mai rang kiat

            *** Mai pen rai    is a unique phrase. Not only does it mean " You are welcome." it can also mean " Don't worry about it" , " That's all right" .