Japanese phrase
___を内緒にしてくれる？ ___ o nai sho ni shi te ku re ru
Meaning
Will you keep ___ a secret?
When to use it
Asks someone to keep a gift or surprise private for now. It is a casual request used before a birthday or a party.
Example dialogue
ねえ、このプレゼントを内緒にしてくれる？ nē ko no pu re ze n to o nai sho ni shi te ku re ru
Hey, will you keep this present a secret?
もちろん、渡す日まで内緒にするよ。 mo chi ro n wata su hi ma de nai sho ni su ru yo
Of course, I will keep it secret until the day we give it.