How to say we were disappointed because we could not carry out our plan. in Japanese
1)
我々我々(wareware) (pn,adj-no) weはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh計画計画(keikaku) (n,vs) plan/project/schedule/scheme/program/programmeがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and実行実行(jikkou) (n,vs) practice/practise/performance/execution/realization/realisation/implementationでで(de) (prt) indicates location of action/at/in/indicates time of action/indicates means of action/cause of effect/by/and then/so/indicates continuing action/ indicates certainty, emphasis, etc.きずきず(kizu) (n) wound/injury/cut/gash/bruise/scratch/scrape/scar/chip/crack/scratch/nick/flaw/defect/weakness/weak point/stain/disgrace/dishonor/dishonour/hurt/hurt feelings、、(、) Japanese comma失望失望(shitsubou) (n,vs) disappointment/despairしたした(shita) (n) did/a past form of the previous verb/tongue/tongue-like object/clapper/talon。。(。) Japanese period "."
