Tips: The most popular word spoken when greeting is 'sa-wat-dee', which means 'well-being' or 'hello' in English.
Warning: When someone 'wai', we should acknowledge a salute to honor the answer to prevent misconduct or make people ashamed to show respect.
Experience: When I first came to the US, I felt very awkward to check hands instead of 'wai'. I felt like it's so 'American'. Also, I felt so weird to touch strangers, especially opposite-sex people, for the first time. Now I still feel a little bit 'not myself' but I'm trying to get used to. :))
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Today's site suggested: http://tipsonlearningthai.blogspot.com/ - A blog all about learning Thai, ways of improving your thai language skills, and more.