How to say her unusual behavior caused our suspicions. in Japanese
1)
彼女彼女(kanojo) (pn) she/her/her/girl friend/girlfriend/sweetheartのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question異常異常(ijou) (adj-na,n) strangeness/abnormality/disorderなな(na) (prt) connects adj to noun/indicates emotion or emphasis/command/prohibition行動行動(koudou) (n,vs,adj-no) action/conduct/behaviour/behavior/mobilization/mobilisationがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and私たち私たち(watashitachi) (pn,adj-no) we/usのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question疑い疑い(utagai) (n) doubt/question/uncertainty/skepticism/scepticism/suspicion/distrust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,引き起こno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbしたした(shita) (n) did/a past form of the previous verb/tongue/tongue-like object/clapper/talon。。(。) Japanese period "."
