Japanese phrase
___は内緒にしてもらえますか？ ___ wa nai sho ni shi te mo ra e ma su ka
Meaning
Could you keep ___ a secret?
When to use it
Politely asks that a matter not be shared with others. It creates a gentle request for confidentiality and suits conversations with friends, colleagues, or other familiar people.
Example dialogue
このことは内緒にしてもらえますか？ ko no ko to wa nai sho ni shi te mo ra e ma su ka
Could you keep this a secret?
もちろんです。 mo chi ro n de su
Of course.