我的我的都是我的你的你的都是你的
[wŏ de wŏ de dōu shì wŏ de nĭ de nĭ de dōu shì nĭ de]
Playfully highlighting the clear division between possessions or identities ('what’s mine is mine, what’s yours is yours'), reflecting on clear boundaries and mutual respect between two entities or parties.