Japanese phrase
___まで内密にしていただけますか？ ___ ma de nai mitsu ni shi te i ta da ke ma su ka
Meaning
Would you be able to keep this confidential until ___?
When to use it
Gently asks for confidentiality until a stated deadline. The wording is especially courteous and indirect, which helps avoid sounding demanding in professional conversations.
Example dialogue
正式発表まで内密にしていただけますか？ sei shiki hap pyō ma de nai mitsu ni shi te i ta da ke ma su ka
Would you be able to keep this confidential until the official announcement?
もちろんです。 mo chi ro n de su
Of course.