Japanese phrase
お付き合いできません。 o tsu ki a i de ki ma se n
Meaning
I cannot date you.
When to use it
Politely declines a romantic relationship. It is a clear but softened refusal, often used after a confession.
Example dialogue
好きです。付き合ってください。 su ki de su tsu ki a tte ku da sa i
I like you. Please go out with me.
すみません、お付き合いできません。 su mi ma se n o tsu ki a i de ki ma se n
I'm sorry, but I cannot date you.