Attached to the -masu stem of a verb to indicate that one is unable or finds it difficult/awkward to do something (polite/euphemistic).
その要求には即答しかねます。
I can't answer that request immediately.
詳しいことはお答えしかねます。
I am unable to answer the details.
今回はお手伝いしかねますが、また別の機会に。
I’m afraid I can’t help this time, but maybe another time.
To hold or serve two or more functions or roles at the same time; to combine features.
彼は社長と取締役会長を兼ねている。
He serves as both president and chairman of the board.
この部屋は客間と書斎を兼ねている。
This room serves as both a guest room and a study.
この商品は実用品と装飾品を兼ねるデザインだ。
This product is designed to be both practical and decorative.
To work in two or more jobs or positions at the same time; to hold multiple posts.
彼女は学校の先生と学童保育の指導員を兼ねている。
She works as a school teacher and also as a child-care instructor.
地方の小さな会社では、社員が複数の役割を兼ねることが多い。
In small local companies, employees often take on multiple roles.
To hesitate or be reluctant to do something out of consideration or politeness; a polite refusal or reluctance.
その点については賛成しかねます。
I’m reluctant to agree with that point.
個人的な質問にはお答えしかねますのでご了承ください。
Please understand I’m unable to answer personal questions.
Used to indicate something that serves both immediate and future purposes, or that takes both present and future considerations into account.
この貯金は当面の生活費と将来の学費を兼ねるつもりだ。
I intend this savings to cover both current living expenses and future tuition.