How to say she talks as if she knew all about it. in Japanese
1)
彼女彼女(kanojo) (pn) she/her/her/girl friend/girlfriend/sweetheartはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sighそれそれ(sore) (int)(n) there!/thatについてについて(nitsuite) (exp) concerning/regarding/per/for every全て全て(subete) (adj-no,n-adv,n) all/the whole/entirely/in general/wholly/overall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,知ってno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbい(prt) strengthens a question, assertion, etc.るかのようno dictionary result, likely a conjigated verbにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.話す話す(hanasu) (v5s,vt) to talk/to speak/to converse/to chat/to tell/to explain/to narrate/to mention/to describe/to discuss/to speak。。(。) Japanese period "."
