More and more speakers are making presentations in countries abroad, and many do not appreciate the additional factors that this involves. Barriers to communication for listeners with English as a second language include different meanings for the same words, failure to understand idioms and abbreviations, differences in culture and national background, and lack of familiarity with accents. The most effective aid to understanding is to speak slowly. There are additional considerations when using simultaneous translation, in particular, uninterrupted use of the microphone. The article includes 20 points to be noted when speaking abroad.