How to say you must leave here before everything. in Japanese
1)
あなたあなた(anata) (pn,adj-no) youはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh何何(nani) (int,pn,adj-no) what/ euph. for genitals or sexよりより(yori) (adv,prt) from/out of/since/at/than/other than/except/but/moreもまずここno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,立ち立ち(tachi) (n) departure/setting off/start/being used up/being consumed/being burnt out/passage of time/lapse/rehearsal/leading male role in kabuki/ initial charge/verb prefix conveying emphasis and increased feeling去らno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbなければならないなければならない(nakerebanaranai) (exp) have to do/must/should/ought to。。(。) Japanese period "."
