How to say she was dismayed at their ignorance in etiquette. in Japanese
1)
彼ら彼ら(karera) (n,adj-no) those/theyがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/andエチケットエチケット(echiketto) (n) etiquette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,知らno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbないない(nai) (aux-adj) not/emphatic suffixことにことに(kotoni) (adv) especially/particularly/unusually/above all/additionally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がが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/andっかりしたno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb。。(。) Japanese period "."
