Japanese phrase
___に参加しませんか？ ___ ni san ka shi ma se n ka
Meaning
Would you like to join ___?
When to use it
A polite invitation to join an activity or event.
Example dialogue
来週の勉強会に参加しませんか？ rai shū no ben kyō kai ni san ka shi ma se n ka
Would you like to join next week's study group?
はい、参加したいです。 ha i san ka shi ta i de su
Yes, I'd like to join.