If you aren't from south / southeast Asia you'll struggle with our traffic. Our roads are a stream of everything from cycles to busses with no dedicated lanes. If you want to cross the road and can't find a zebra-crossing you gang up with other pedestrians, hold up traffic by shouting and waving, and cross.
Understanding languages you don't know - every city will have people speaking three or more languages, so you need to understand what someone is saying even if you don't speak their language. Broken English with gesturing is a lingua franca.