How to say it is highly regrettable that your request was considered to be unacceptable. in Japanese
1)
ごご(go) (num) five提案提案(teian) (n,vs) proposal/proposition/suggestion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,受け入れ受け入れ(ukeire) (n) receiving/acceptanceることができずno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb、、(、) Japanese commaたいへんたいへん(taihen) (n) opposite side残念残念(zannen) (adj-na,n) deplorable/bad luck/regret/disappointmentですです(desu) (aux) be/is/are。。(。) Japanese period "."
