How to say with her heart pounding, she opened the door. in Japanese
1)
胸胸(mune) (n) chest/breast/breasts/bosom/bust/heart/lungs/stomach/heart/mind/feelings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,ドキドキドキドキ(dokidoki) (adv,adv-to) thump-thump/bang-bang/pit-a-pat/pitapat/pitter-patter/ to beat fast/to throb/to pound/to palpitateさせながらno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb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ドアドア(doa) (n) door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,開けno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbたた(ta) (aux-v) indicate past completed or action/indicates light imperative。。(。) Japanese period "."
