Don’t forget to add the polite kha if you are female or krub if you are male when you are saying hello, thank you and in general small talk. For a female saying thank you 如果您是女性，在打招呼、道谢和一般闲聊时，请不要忘记在句末加上礼貌用语 “kha”；如果您是男性，请不要忘记加上 “krub”。女性表达谢谢是 “khob khun kha”，男性则是 “khob khun krup”。