Words used for Emergency

手洗い (tearai) = Bathroom. - when you need to go to do your business
助けて (tasukete) = HELP.
わかりません (wakarimasen) = I don’t understand. 
やめて！ (yamete!) = Stop it!
英語 (eigo) = English
警察 (keisatsu) = Police. - If something really bad happens, these are the guys you’re going to want to ask for.
危ない (abunai) = Dangerous. -  You’ll see this on signs and stuff too. If someone says “abunai” to you, you should probably watch your step.
危険 (kiken) = Peril, Hazard.