yes, one has to be very careful --- last year living in SEA I...

yes, one has to be very careful --- last year living in SEA I found out that you must be careful even if you know the words of a foreign language --

which is hard enough - but, words don't necessarily mean what you think they mean - which sort of complicates life even further --

so, for instance - in Thailand ----------- particularly around lunch time -- be very careful if you are offered a sandwich