Questioned over 2 years ago

we will be visiting Tokyo Japan for 8 days in march and as females who know little to no Japanese, what are the best tips you have on the language barrier.

What we are mainly trying to ask is, if we are in trouble how do we get help? what sentences should we know? how hard is it to talk to other locals? what are things we should and should not do. how do we get help with food menus and street signs? where are places we should/ should not go. any war...