Japanese phrase
今回は辞退させていただきます。 kon kai wa ji tai sa se te i ta da ki ma su
Meaning
I will have to decline this time.
When to use it
Politely declines an offer or invitation. It sounds formal and respectful, while leaving open the possibility of accepting another time.
Example dialogue
ご参加いただけますか？ go san ka i ta da ke ma su ka
Would you like to take part?
今回は辞退させていただきます。 kon kai wa ji tai sa se te i ta da ki ma su
I will have to decline this time.